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Number of items: 169.

Article

Rakic, AD, Taimre, T, Bertling, K et al. (4 more authors) (2019) Sensing and Imaging using Laser Feedback Interferometry with Quantum Cascade Lasers. Applied Physics Reviews, 6 (2). 021320. ISSN 1931-9401

Ellison, BN, Valavanis, A orcid.org/0000-0001-5565-0463, Auriacombe, O et al. (14 more authors) (2019) 3.5 THz quantum-cascade laser emission from dual diagonal feedhorns. International Journal of Microwave and Wireless Technologies. ISSN 1759-0795

Han, YJ orcid.org/0000-0003-2141-3077, Partington, J, Chhantyal Pun, R et al. (13 more authors) (2018) Gas spectroscopy through multimode self-mixing in a double-metal terahertz quantum cascade laser. Optics Letters, 43 (24). pp. 5933-5936. ISSN 0146-9592

Kundu, I orcid.org/0000-0002-3564-1903, Wang, F, Qi, X et al. (16 more authors) (2018) Author Correction: Ultrafast switch-on dynamics of frequency-tuneable semiconductor lasers. Nature Communications, 9 (1). 5181. ISSN 2041-1723

Kundu, I orcid.org/0000-0002-3564-1903, Wang, F, Qi, X et al. (16 more authors) (2018) Ultrafast switch-on dynamics of frequency-tuneable semiconductor lasers. Nature Communications, 9. 3076. ISSN 2041-1723

Kundu, I orcid.org/0000-0002-3564-1903, Dean, P, Valavanis, A orcid.org/0000-0001-5565-0463 et al. (6 more authors) (2018) Continuous frequency tuning with near constant output power in coupled Y-branched terahertz quantum cascade lasers with photonic lattice. ACS Photonics, 5 (7). pp. 2912-2920. ISSN 2330-4022

Chhantyal-Pun, R, Valavanis, A orcid.org/0000-0001-5565-0463, Keeley, JT et al. (7 more authors) (2018) Gas spectroscopy with integrated frequency monitoring through self-mixing in a terahertz quantum-cascade laser. Optics Letters, 43 (10). pp. 2225-2228. ISSN 0146-9592

Agnew, G, Grier, A, Taimre, T et al. (7 more authors) (2018) Frequency Tuning Range Control in Pulsed Terahertz Quantum Cascade Lasers: Applications in Interferometry. IEEE Journal of Quantum Electronics, 54 (2). 2300108. ISSN 0018-9197

Han, Y orcid.org/0000-0003-2141-3077, Li, LH orcid.org/0000-0003-4998-7259, Zhu, J et al. (7 more authors) (2018) Silver-based surface plasmon waveguide for terahertz quantum cascade lasers. Optics Express, 26 (4). pp. 3815-3827. ISSN 1094-4087

Kundu, I orcid.org/0000-0002-3564-1903, Dean, P, Valavanis, A orcid.org/0000-0001-5565-0463 et al. (4 more authors) (2017) Frequency tunability and spectral control in terahertz quantum cascade lasers with phase-adjusted finite-defect-site photonic lattices. IEEE Transactions on Terahertz Science & Technology, 7 (4). pp. 360-367. ISSN 2156-342X

Demic, A, Grier, A, Ikonic, Z et al. (7 more authors) (2017) Infinite-period density-matrix model for terahertz-frequency quantum cascade lasers. IEEE Transactions on Terahertz Science & Technology, 7 (4). pp. 368-377. ISSN 2156-342X

Qi, X, Kundu, I orcid.org/0000-0002-3564-1903, Dean, P et al. (8 more authors) (2017) Mode selection and tuning mechanisms in coupled-cavity terahertz quantum cascade lasers. IEEE Journal of Selected Topics in Quantum Electronics, 23 (4). ISSN 1077-260X

Agnew, G, Grier, A, Taimre, T et al. (8 more authors) (2017) Temperature Dependent High Speed Dynamics of Terahertz Quantum Cascade Lasers. IEEE Journal of Selected Topics in Quantum Electronics, 23 (4). 1200209. ISSN 1077-260X

Qi, X, Agnew, G, Kundu, I orcid.org/0000-0002-3564-1903 et al. (10 more authors) (2017) Multi-spectral terahertz sensing: proposal for a coupled-cavity quantum cascade laser based optical feedback interferometer. Optics Express, 25 (9). pp. 10153-10165. ISSN 1094-4087

Greenall, N, Valavanis, A orcid.org/0000-0001-5565-0463, Desai, HJ et al. (6 more authors) (2017) The Development of a Semtex-H Simulant for Terahertz Spectroscopy. Journal of Infrared, Millimeter and Terahertz Waves, 38 (3). pp. 325-338. ISSN 1866-6892

Kundu, I orcid.org/0000-0002-3564-1903, Dean, P, Valavanis, A orcid.org/0000-0001-5565-0463 et al. (5 more authors) (2017) Quasi-continuous frequency tunable terahertz quantum cascade lasers with coupled cavity and integrated photonic lattice. Optics Express, 25 (1). pp. 486-496. ISSN 1094-4087

Han, YJ orcid.org/0000-0003-2141-3077, Li, LH orcid.org/0000-0003-4998-7259, Grier, A et al. (9 more authors) (2016) Extraction-controlled terahertz frequency quantum cascade lasers with a diagonal LO-phonon extraction and injection stage. Optics Express, 24 (25). pp. 28583-28593. ISSN 1094-4087

Grier, A, Dean, P, Valavanis, A orcid.org/0000-0001-5565-0463 et al. (14 more authors) (2016) Origin of terminal voltage variations due to self-mixing in terahertz frequency quantum cascade lasers. Optics Express, 24 (19). pp. 21948-21956. ISSN 1094-4087

Agnew, G, Grier, A, Taimre, T et al. (13 more authors) (2016) Model for a pulsed terahertz quantum cascade laser under optical feedback. Optics Express, 24 (18). pp. 20554-20570. ISSN 1094-4087

Bulcha, BT, Hesler, JL, Drakinskiy, V et al. (5 more authors) (2016) Design and Characterization of 1.8-3.2 THz Schottky-based Harmonic Mixers. IEEE Transactions on Terahertz Science and Technology, 6 (5). pp. 737-746. ISSN 2156-342X

Han, S, Bertling, K, Dean, P et al. (10 more authors) (2016) Laser Feedback Interferometry as a Tool for Analysis of Granular Materials at Terahertz Frequencies: Towards Imaging and Identification of Plastic Explosives. Sensors, 16 (3). 352. ISSN 1424-8220

Valavanis, A, Chowdhury, S, Burnett, AD et al. (6 more authors) (2016) Diffuse-reflectance spectroscopy using a frequency-switchable terahertz quantum cascade laser. IEEE Transactions on Terahertz Science & Technology, 6 (2). pp. 341-347. ISSN 2156-342X

Razali, R, Valavanis, A, Cooper, JD et al. (3 more authors) (2016) Mid-infrared entangled photon generation in optimised asymmetric semiconductor quantum wells. Superlattices and Microstructures, 90. 107 - 116. ISSN 0749-6036

Grier, A, Valavanis, A, Edmunds, C et al. (8 more authors) (2015) Coherent vertical electron transport and interface roughness effects in AlGaN/GaN intersubband devices. Journal of Applied Physics, 118 (22). 224308. ISSN 0021-8979

Lui, HS, Taimre, T, Bertling, K et al. (9 more authors) (2015) Terahertz Radar Cross Section Characterization using Laser Feedback Interferometry with a Quantum Cascade Laser. Electronics Letters, 51 (22). 1774 - 1776. ISSN 0013-5194

Valavanis, A, Han, YJ, Brewster, N et al. (9 more authors) (2015) Erratum: ‘Mechanically robust waveguide-integration and beam shaping of terahertz quantum cascade lasers’. Electronics Letters, 51 (13). 1037 - 1037 (1). ISSN 1350-911X

Agnew, G, Grier, A, Taimre, T et al. (13 more authors) (2015) Efficient prediction of terahertz quantum cascade laser dynamics from steady-state simulations. Applied Physics Letters, 106. 161105. ISSN 0003-6951

Keeley, J orcid.org/0000-0001-5251-6648, Dean, P orcid.org/0000-0002-3950-4359, Valavanis, A orcid.org/0000-0001-5565-0463 et al. (9 more authors) (2015) Three-dimensional terahertz imaging using swept-frequency feedback interferometry with a quantum cascade laser. Optics Letters, 40 (6). pp. 994-997. ISSN 1539-4794

Dean, P, Keeley, J, Valavanis, A et al. (9 more authors) (2015) Active phase-nulling of the self-mixing phase in a terahertz frequency quantum cascade laser. Optics Letters, 40 (6). 950 - 953. ISSN 1539-4794

Lim, YL, Taimre, T, Bertling, K et al. (12 more authors) (2014) High-contrast coherent terahertz imaging of porcine tissue via swept-frequency feedback interferometry. Biomedical Optics Express, 5 (11). 11. pp. 3981-3989. ISSN 2156-7085

Rakic, AD, Bertling, K, Lim, YL et al. (12 more authors) (2014) Biomedical applications of terahertz self-mixing interferometry. SPIE Newsroom. ISSN 1818-2259

Dean, P, Valavanis, A, Keeley, J et al. (11 more authors) (2014) Terahertz imaging using quantum cascade lasers — a review of systems and applications. Journal of Physics D: Applied Physics, 47 (37). 374008. ISSN 0022-3727

Kundu, I orcid.org/0000-0002-3564-1903, Dean, P orcid.org/0000-0002-3950-4359, Valavanis, A orcid.org/0000-0001-5565-0463 et al. (5 more authors) (2014) Discrete Vernier tuning in terahertz quantum cascade lasers using coupled cavities. Optics Express, 22 (13). pp. 16595-16605. ISSN 1094-4087

Lui, HS, Taimre, T, Bertling, K et al. (9 more authors) (2014) Terahertz inverse synthetic aperture radar imaging using self-mixing interferometry with a quantum cascade laser. Optics Letters, 39 (9). 2629 - 2632. ISSN 0146-9592

Li, L orcid.org/0000-0003-4998-7259, Chen, L, Zhu, J et al. (5 more authors) (2014) Terahertz quantum cascade lasers with >1 W output powers. Electronics Letters, 50 (4). 309. pp. 309-311. ISSN 0013-5194

Edmunds, C, Tang, L, Cervantes, M et al. (13 more authors) (2013) Comparative study of intersubband absorption in AlGaN/GaN and AlInN/GaN superlattices: Impact of material inhomogeneities. Physical Review B, 88. 235306. 1 - 10. ISSN 1098-0121

Cooper, JD, Valavanis, A, Ikonic, Z et al. (2 more authors) (2013) Stable perfectly-matched-layer boundary conditions for finite-difference time-domain simulation of acoustic waves in piezoelectric crystals. Journal of Computational Physics, 253. 239 - 246. ISSN 0021-9991

Dean, P, Valavanis, A, Keeley, J et al. (11 more authors) (2013) Coherent three-dimensional terahertz imaging through self-mixing in a quantum cascade laser. Applied Physics Letters, 103 (18). 181112. 181112-1 . ISSN 0003-6951

Rakić, AD, Taimre, T, Bertling, K et al. (11 more authors) (2013) Swept-frequency feedback interferometry using terahertz frequency QCLs: a method for imaging and materials analysis. Optics Express, 21. 19. 22194 - 22205. ISSN 1094-4087

Valavanis, A, Dean, P, Scheuring, AHW et al. (9 more authors) (2013) Time-resolved measurement of pulse-to-pulse heating effects in a terahertz quantum cascade laser using an NbN superconducting detector. Applied Physics Letters, 103 (6). 061120-1 . ISSN 0003-6951

Salih, M, Dean, P, Valavanis, A et al. (5 more authors) (2013) Terahertz quantum cascade lasers with thin resonant-phonon depopulation active regions and surface-plasmon waveguides. Journal of Applied Physics, 113 (11). 113110. ISSN 0021-8979

Kelsall, RW, Dinh, VT, Ivanov, P et al. (10 more authors) (2013) Germanium/Silicon Heterostructures for Terahertz Emission. ECS Transactions, 50. 763 - 771 . ISSN 1938-6737

Scheuring, A, Dean, P, Valavanis, A et al. (12 more authors) (2013) Transient Analysis of THz-QCL Pulses Using NbN and YBCO Superconducting Detectors. IEEE Transactions on Terahertz Science and Technology, 3 (2). pp. 172-179. ISSN 2156-342X

Valavanis, A, Dean, P, Lim, YL et al. (9 more authors) (2013) Self-Mixing Interferometry With Terahertz Quantum Cascade Lasers. IEEE Sensors Journal, 13 (1). 37 -43 . ISSN 1530-437X

Lever, L, Ikonic, Z, Valavanis, A et al. (7 more authors) (2012) Optical absorption in highly strained Ge/SiGe quantum wells: The role of Γ→Δ scattering. Journal of Applied Physics, 112 (12). 123105 - 123105-7 . ISSN 0021-8979

Dean, P, Salih, M, Khanna, SP et al. (7 more authors) (2012) Resonant−phonon depopulation terahertz quantum cascade lasers and their application in spectroscopic imaging. Semiconductor Science and Technology, 27 (9). ISSN 0268-1242

Dean, P, Valavanis, A, Scheuring, A et al. (10 more authors) (2012) Ultra-fast sampling of terahertz pulses from a quantum cascade laser using superconducting antenna-coupled NbN and YBCO detectors. 2012 37th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). 1 - 2 . ISSN 2162-2027

Lim, YL, Dean, P, Nikoli, M et al. (11 more authors) (2011) Demonstration of a self-mixing displacement sensor based on terahertz quantum cascade lasers. Applied Physics Letters, 99 (8). 081108 - 081108 . ISSN 00036951

Lever, L, Ikonic, Z, Valavanis, A et al. (2 more authors) (2010) Design of Ge/SiGe quantum-confined Stark effect electroabsorption heterostructures for CMOS compatible photonics. Journal of Lightwave Technology, 28 (22). 3272 - 3281 (9). ISSN 0733-8724

Cooper, JD, Valavanis, A, Ikonic, Z et al. (2 more authors) (2010) Finite difference method for solving the Schrödinger equation with band nonparabolicity in mid-infrared quantum cascade lasers. Journal of Applied Physics, 108 (11). 113109 - 113109 . ISSN 0021-8979

Lever, L, Valavanis, A, Evans, CA et al. (2 more authors) (2009) The importance of electron temperature in silicon-based terahertz quantum cascade lasers. Applied Physics Letters, 95 (13). ISSN 0003-6951

Valavanis, A, Lever, L, Evans, CA et al. (2 more authors) (2008) Theory and design of quantum cascade lasers in (111) n -type Si/SiGe. Physical Review B - Condensed Matter and Materials Physics, 78 (3). ? - ? . ISSN 1098-0121

Valavanis, A, Ikonić, Z and Kelsall, RW (2008) Intersubband carrier scattering in n - and p-Si SiGe quantum wells with diffuse interfaces. Physical Review B - Condensed Matter and Materials Physics, 77 (7). ? - ? . ISSN 1098-0121

Valavanis, A, Ikonic, Z and Kelsall, RW (2007) Intervalley splitting and intersubband transitions in n-type Si/SiGe quantum wells: Pseudopotential vs. effective mass calculation. Physical review A: General physics, 75 (20). 205332. ISSN 0556-2791

Book Section

Han, YJ orcid.org/0000-0003-2141-3077, Li, LH orcid.org/0000-0003-4998-7259, Valavanis, A orcid.org/0000-0001-5565-0463 et al. (9 more authors) (2017) Development of Terahertz Frequency Quantum Cascade Lasers for the Applications as Local Oscillators. In: Pereira, MF and Shulika, O, (eds.) THz for CBRN and Explosives Detection and Diagnosis. NATO Science for Peace and Security Series B: Physics and Biophysics . Springer Netherlands , Dordrecht, Netherlands , pp. 123-134. ISBN 978-94-024-1093-8

Conference or Workshop Item

Gerber, D, Ellison, BN, Huggard, P et al. (10 more authors) (2018) The ESA Earth Explorer 10 Candidate Mission LOCUS. In: UK National Earth Observation Conference, 04-07 Sep 2018, Birmingham, UK.

Kundu, I orcid.org/0000-0002-3564-1903, Wang, F, Qi, X et al. (16 more authors) (2018) Dependence of switch-on time on Vernier comb alignment in frequency tunable lasers. In: 8th International Quantum Cascade Laser School and Workshop 2018, 02-07 Sep 2018, Cassis, France. (In Press)

Kundu, I orcid.org/0000-0002-3564-1903, Dean, P, Valavanis, A orcid.org/0000-0001-5565-0463 et al. (6 more authors) (2018) Continuous frequency tuning with near constant output power in coupled Y-branched terahertz quantum cascade lasers with photonic lattice. In: 8th International Quantum Cascade Laser School and Workshop 2018, 02-07 Sep 2018, Cassis, France. (In Press)

Kundu, I orcid.org/0000-0002-3564-1903, Dean, P, Valavanis, A orcid.org/0000-0001-5565-0463 et al. (3 more authors) (2017) Electrically-controlled frequency tuning of terahertz quantum cascade lasers over 190 GHz using a coupled cavity with integrated photonic lattice. In: Optical Terahertz Science and Technology (OTST 2017), 02-07 Apr 2017, London, UK. (Unpublished)

Keeley, J orcid.org/0000-0001-5251-6648, Freeman, J orcid.org/0000-0002-5493-6352, Valavanis, A orcid.org/0000-0001-5565-0463 et al. (10 more authors) (2016) Spectral Characterisation of a Terahertz QCL through Self-Mixing. In: IQCLSW 2016, 04-09 Sep 2016, Cambridge, UK.

Keeley, J orcid.org/0000-0001-5251-6648, Freeman, J orcid.org/0000-0002-5493-6352, Valavanis, A et al. (10 more authors) (2016) Self-Mixing as a means of Spectral Characterisation of a Terahertz QCL. In: UK Semiconductors 2016, 06-07 Jul 2016, Sheffield, UK.

Valavanis, A orcid.org/0000-0001-5565-0463, Grier, A, Cooper, JD et al. (2 more authors) (2015) Quantum Wells, Wires and Dots (QWWAD): Free and open-source simulation tools for intersubband devices. In: The 13th International Conference on Intersubband Transitions in Quantum Wells, 06-11 Sep 2015, Vienna, Austria.

Valavanis, A, Han, YJ, Brewster, N et al. (9 more authors) (2015) A robust waveguide integration, beam shaping and heat- sinking scheme for terahertz quantum cascade lasers. In: The 13th International Conference on Intersubband Transitions in Quantum Wells, 06/09/2015 - 11/09/2015, Vienna, Austria. (Unpublished)

Rui, D, Valavanis, A, Han, Y et al. (10 more authors) (2015) Waveguide-integrated terahertz-frequency quantum-cascade lasers for trace-gas detection applications. In: UK Semiconductors 201, 1-2 July 2015, Sheffield, UK.

Keeley, J, Dean, P, Valavanis, A et al. (9 more authors) (2015) Three-dimensional terahertz imaging using swept frequency feedback interferometry with a quantum cascade laser. In: UK Semiconductors, 01-02 Jul 2015, Sheffield Hallam University, UK. (Unpublished)

Valavanis, A, Grier, A, Cooper, JD et al. (2 more authors) (2015) Open-source bandstructure and transport models of semiconductor nanostructures for the Quantum Wells, Wires and Dots (QWWAD) simulation suite. In: UK Semiconductors 2015, 1-2 July 2015, Sheffield Hallam University, UK.

Grier, A, Valavanis, A, Cooper, JD et al. (3 more authors) (2014) Extended density matrix model applied to tall barrier quantum cascade lasers. In: UK Semiconductors 2014, 09-10 Jul 2014, Sheffield, UK.

Zhu, J, Li, L, Chen, L et al. (5 more authors) (2014) Terahertz-frequency quantum cascade lasers with >1-Watt output power. In: UK Semiconductors 2014, 9-10 July 2014, Sheffield, UK. (Unpublished)

Keeley, J, Dean, P, Alhathlool, R et al. (4 more authors) (2013) Terahertz interferometry and imaging using self-mixing in a quantum cascade laser. In: UK Semiconductors 2013, 03-04 Jul 2013, Sheffield Hallam University.

Kundu, I, Dean, P, Li, LH et al. (6 more authors) (2013) Three-section terahertz quantum cascade lasers with externally biased photonic lattices. In: MPNS COST Action Training School – MP1204 TERA-MIR Radiation: Materials, Generation, Detection and Applications, 20-24 May 2013, Cortona, Italy.

Rafferty, HM, Burnett, AD, Valavanis, A et al. (2 more authors) (2013) Electronic structure of misfit dislocations in germanium. In: UK Semiconductors 2013, 9-10 July 2013, University of Sheffield. (Unpublished)

Dinh, TV, Ivanov, P, Valavanis, A et al. (3 more authors) (2012) Density matrix modelling of Ge/GeSi quantum cascade terahertz lasers. In: Photon 12, 03-06 Sep 2012, Durham University, UK.

Valavanis, A orcid.org/0000-0001-5565-0463, Dean, P orcid.org/0000-0002-3950-4359, Burnett, AD et al. (3 more authors) (2011) Spectroscopic diffuse-reflection imaging at a 1.5 m stand-off distance, using a frequency-switchable terahertz quantum cascade laser. In: ITQW 2011: The 11th International Conference on Intersubband Transitions in Quantum Wells, 11-17 Sep 2011, Badesi, Sardinia, Italy.

Valavanis, A, Ikonic, Z and Kelsall, RW (2008) Crystal orientation and waveguide geometry effects in n-type Si/SiGe quantum cascade lasers. In: UK Semiconductors 2008, Sheffield, UK. (Unpublished)

Valavanis, A, Ikonic, Z and Kelsall, RW (2006) n-type Si/SiGe quantum cascade lasers. In: Rank mini-symposium on Si based optoelectronics, 3 - 6 April 2006, Windermere, UK.

Dean, P, Keeley, J, Valavanis, A et al. (9 more authors) Active phase-nulling of the self-mixing phase in a terahertz frequency quantum cascade laser. In: Intersubband Transitions in Quantum Wells (ITQW) 2015, 6 - 11 September 2015, Vienna. (Unpublished)

Nuttall, E, Han, YJ, Brewster, N et al. (9 more authors) Analysis of deuteration reactions using self-mixing in a terahertz quantum-cascade laser. In: Infrared Terahertz Quantum Workshop (ITQW 2019), 15-20 Sep 2019, Ojai, California, USA.

Han, YJ, Partington, J, Valavanis, A orcid.org/0000-0001-5565-0463 et al. (13 more authors) Broadband terahertz gas spectroscopy through multimode self-mixing in a quantum cascade laser. In: NATO Advance Research Workshop on Terahertz (Thz), Mid InfraRed (MIR) and Near InfraRed (NIR) Technologies for Protection of Critical Infrastructures against Explosives & CBRN, 05-09 Nov 2018, Liblice, Czech Republic.

Demic, A, Grier, A, Ikonic, Z et al. (6 more authors) Density Matrix Superoperator for Terahertz Quantum Cascade Lasers. In: Photonica 2017, 28 Aug - 01 Sep 2017, Belgrade, Serbia.

Dinh, TV, Valavanis, A, Lever, LJM et al. (2 more authors) Density matrix modelling of Ge/GeSi bound-to-continuum terahertz quantum cascade lasers. In: 15th International Workshop on Computational Electronics (IWCE 2012), 22-25 May 2012, University of Wisconsin, Madison USA.

Valavanis, A, Rui, D, Parow-Souchon, K et al. (9 more authors) Detection of 2.2-3.5 Terahertz Radiation Using a Quasi-Optically Mounted Planar Schottky Diode. In: 36th ESA Antenna Workshop, 06-09 Oct 2015, ESTEC, Noordwijk, The Netherlands. (Unpublished)

Valavanis, A orcid.org/0000-0001-5565-0463, Chhantyal Pun, R, Rubino, P et al. (6 more authors) Detector-free gas spectroscopy, with integrated frequency monitoring, through self-mixing in a terahertz quantum-cascade laser. In: UK Semiconductors 2017, 12-13 Jul 2017, Sheffield, UK.

Zafar, E, Auriacombe, O, Rawlings, T et al. (9 more authors) Electromagnetic modelling of a terahertz-frequency quantum-cascade laser integrated with dual diagonal feedhorns. In: 2019 Infrared Terahertz Quantum Workshop (ITQW 2019), 15-20 Sep 2019, Ojai, California, USA.

Valavanis, A orcid.org/0000-0001-5565-0463, Chhantyal Pun, R, Rubino, P et al. (6 more authors) Gas spectroscopy with integrated frequency monitoring, through self-mixing in a terahertz quantum-cascade laser. In: 7th International Conference on Optical Terahertz Science and Technology (OTST 2017), 02-07 Apr 2017, London, UK.

Valavanis, A orcid.org/0000-0001-5565-0463, Ikonic, Z and Kelsall, RW Growth variation effects in two-dimensional Si/SiGe heterostructures. In: Photon 08, 26-29 Aug 2008, Edinburgh, UK.

Dunn, A, Poyser, C, Demic, A et al. (11 more authors) High-speed modulation of a terahertz-frequency quantum-cascade laser using coherent acoustic phonon pulses. In: 2019 Infrared Terahertz Quantum Workshop (ITQW 2019), 15-20 Sep 2019, Ojai, California, USA.

Valavanis, A orcid.org/0000-0001-5565-0463, Auriacombe, O, Rawlings, T et al. (12 more authors) An Integrated 3.5-THz QCL Optical Breadboard System for the LOCUS Atmospheric Sounder. In: 8th International Quantum Cascade Lasers School and Workshop (IQCLSW), 02-07 Sep 2018, Cassis, France.

Agnew, G, Grier, A, Taimre, T et al. (13 more authors) Interferometry via Thermal Modulation in Low Duty Cycle Pulsed Terahertz QCLs. In: International Quantum Cascade Lasers School and Workshop 2016, 04-09 Sep 2016, Cambridge, UK.

Han, YJ, Grier, A, Valavanis, A orcid.org/0000-0001-5565-0463 et al. (7 more authors) Modelling of three-well extraction-controlled terahertz frequency quantum cascade lasers using an extended density matrix approach. In: International Quantum Cascade Lasers School and Workshop, 04-09 Sep 2016, Cambridge, UK.

Valavanis, A orcid.org/0000-0001-5565-0463, Grier, A, Cooper, JD et al. (2 more authors) Open-source bandstructure models of interdiffusion, impurity and exciton states for the QWWAD v1.4 simulation suite. In: UK Semiconductors, 06-07 Jul 2016, Sheffield, UK.

Valavanis, A orcid.org/0000-0001-5565-0463, Auriacombe, O, Rawlings, T et al. (13 more authors) Optical Breadboard Integration of a 3.5-THz Quantum-Cascade Laser Local-Oscillator for the LOCUS Atmospheric Sounder. In: 8th ESA Workshop on Millimetre-Wave Technology & Applications, 10-12 Dec 2018, Noordwijk, Netherlands.

Grier, A, Dean, P, Valavanis, A orcid.org/0000-0001-5565-0463 et al. (14 more authors) Origin of terminal voltage variations due to self-mixing in a terahertz frequency quantum cascade laser. In: International Quantum Cascade Lasers School and Workshop, 04-09 Sep 2016, Cambridge, UK.

Agnew, G, Grier, A, Taimre, T et al. (13 more authors) Prediction of Turn-on Delay in a Pulsed Terahertz Quantum Cascade Laser. In: Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD 2016), 12-14 Dec 2016, Sydney, Australia. (In Press)

Zafar, E, Auriacombe, O, Rawlings, T et al. (9 more authors) Quantum‐Cascade Laser emission at 3.5 THz from dual diagonal feedhorns. In: UK Semiconductors 2018, 04-05 Jul 2018, Sheffield, UK.

Hussein, M, Zhou, J, Huang, Y et al. (8 more authors) Second-Order Terahertz Bandpass Frequency Selective Surface with Stable Angular Responses. In: IET Colloquium on Millimetre-wave and Terahertz Engineering & Technology 2017, 30 Mar 2017, Glasgow, UK. (Unpublished)

Valavanis, A orcid.org/0000-0001-5565-0463 THz Quantum-Cascade Lasers for Heterodyne Techniques. In: CEOI Emerging Technologies Workshop, 03-04 May 2017, Abingdon, UK.

Valavanis, A, Dean, P, Burnett, AD et al. (4 more authors) Terahertz frequency imaging for explosives and weapons detection. In: Innovative Research Call in Explosives and Weapons Detection (2007) Showcase, 17 Nov 2011, London, United Kingdom.

Valavanis, A orcid.org/0000-0001-5565-0463, Lever, LJM, Evans, CA et al. (2 more authors) Theory and design of (111) oriented Si/SiGe quantum cascade lasers. In: Photon 08, 26-29 Aug 2008, Edinburgh, UK. (Unpublished)

Han, YJ, Li, LH, Chen, L et al. (9 more authors) Three-well terahertz frequency quantum cascade lasers with a common LO-phonon extraction and injection stage. In: Intersubband Transitions in Quantum Wells (ITQW) 2015, 6 - 11 September 2015, Vienna. (Unpublished)

Evans, CA and Valavanis, A orcid.org/0000-0001-5565-0463 Use of a hand-held gaming platform to teach object-oriented programming to embedded systems students. In: HEA STEM Conference 2018, 31 Jan - 01 Feb 2018, Newcastle Upon Tyne, United Kingdom.

Valavanis, A, Han, YJ, Brewster, N et al. (9 more authors) Waveguide-integrated Terahertz Quantum Cascade Lasers for use as Local Oscillators. In: 36th ESA Antenna Workshop, 06-09 Oct 2015, ESTEC, Noordwijk, The Netherlands. (Unpublished)

Proceedings Paper

Kent, A, Dunn, A orcid.org/0000-0002-7369-1469, Poyser, C et al. (9 more authors) (2019) Modulation of the THz Emission by a Quantum Cascade Laser using Coherent Acoustic Phonon Pulses. In: Proceedings of the 10th International Conference on Metamaterials, Photonic Crystals and Plasmonics (META 2019). 10th International Conference on Metamaterials, Photonic Crystals and Plasmonics (META 2019), 23-26 Jul 2019, Lisbon, Portugal. META , pp. 998-999.

Zafar, E, Auriacombe, O, Rawlings, T et al. (9 more authors) (2019) Electromagnetic-field analysis of diagonal-feedhorn antennas for terahertz-frequency quantum-cascade laser integration. In: tbc. 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2019), 01-06 Sep 2019, Paris, France. IEEE . (In Press)

Dunn, A orcid.org/0000-0002-7369-1469, Poyser, C, Dean, P et al. (11 more authors) (2019) High-Speed Modulation of a Terahertz Quantum Cascade Laser Using Coherent Acoustic Phonon Pulses. In: 2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). IRMMW-THz 2019, 01-06 Sep 2019, Paris, France. IEEE . (In Press)

Valavanis, A orcid.org/0000-0001-5565-0463, Han, Y, Nuttall, E et al. (8 more authors) (2019) Development of Terahertz Quantum-Cascade Lasers for Satellite-Borne Measurement of Key Gas Species. In: Conference on Lasers and Electro-Optics (2019). Conference on Lasers and Electro-Optics (CLEO 2019), 05-10 May 2019, San Jose, USA. Optical Society of America . ISBN 978-1-943580-57-6

Kundu, I orcid.org/0000-0002-3564-1903, Wang, F, Qi, X et al. (16 more authors) (2019) Probing ultrafast switch-on dynamics of frequency tuneable semiconductor lasers using terahertz time-domain spectroscopy. In: To be confirmed. IEEE Photonics Society Summer Topical Meeting Series (SUM) 2019, 08-10 Jul 2019, Fort Lauderdale, Florida, USA. IEEE . (In Press)

Valavanis, A orcid.org/0000-0001-5565-0463, Auriacombe, O, Rawlings, T et al. (13 more authors) (2019) Waveguide-integrated THz Quantum-Cascade Lasers for Atmospheric-Research Satellite Payloads. In: IEEE IWS 2019. 6th IEEE MTT-S International Wireless Symposium, 07-10 Apr 2019, Guangzhou, China. IEEE . (In Press)

Ellison, BN, Valavanis, A orcid.org/0000-0001-5565-0463, Auriacombe, O et al. (8 more authors) (2018) 3.5-THz quantum-cascade laser emission from dual diagonal feedhorns. In: 12th European Conference on Antennas and Propagation (EuCAP 2018). 12th European Conference on Antennas and Propagation (EuCAP 2018), 09-13 Apr 2018, London, UK. IET . ISBN 978-1-78561-816-1

Kundu, I orcid.org/0000-0002-3564-1903, Dean, P, Valavanis, A orcid.org/0000-0001-5565-0463 et al. (6 more authors) (2018) Continuous frequency tuning of Y-branched terahertz quantum cascade lasers with photonic lattice. In: Conference on Lasers and Electro-Optics, OSA Technical Digest (online). CLEO:2018, 13-18 May 2018, San Jose, CA, USA. Optical Society of America . ISBN 978-1-943580-42-2

Ellison, BN, Rawlings, T, Brewster, N et al. (6 more authors) (2017) 3.5 THz dual feedhorn quantum cascade laser a step towards achieving a frequency stable supra-THz heterodyne local oscillator. In: 2017 International Symposium on Antennas and Propagation (ISAP). 2017 International Symposium on Antennas and Propagation (ISAP), 30 Oct - 02 Nov 2017, Phuket, Thailand. IEEE . ISBN 978-1-5386-0465-6

Savini, G, Brooks, D, Zhu, L et al. (19 more authors) (2017) Recent progress in the Elegant Breadboard supra-THz activities for LOCUS and a view to an astronomy application. In: Proceedings of 2016 IEEE 9th UK-Europe-China Workshop on Millimetre Waves and Terahertz Technologies (UCMMT). 2016 IEEE 9th UK-Europe-China Workshop on Millimetre Waves and Terahertz Technologies (UCMMT), 05-07 Sep 2016, Qingdao, China. IEEE . ISBN 978-1-5090-2276-2

Rakic, AD, Lim, YL, Taimre, T et al. (19 more authors) (2016) Optical feedback effects on terahertz quantum cascade lasers: modelling and applications. In: SPIE Proceedings. SPIE Conference 10030: Infrared, Millimeter-Wave, and Terahertz Technologies IV, 12-14 Oct 2016, Beijing, China. Society of Photo-optical Instrumentation Engineers (SPIE) , p. 1003016.

Valavanis, A orcid.org/0000-0001-5565-0463, Henry, M, Han, Y orcid.org/0000-0003-2141-3077 et al. (9 more authors) (2016) Feedhorn-integrated THz QCL local oscillators for the LOCUS atmospheric sounder. In: 2016 41st International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz). 41st International Conference on Infrared, Millimeter and Terahertz Waves, 25-30 Sep 2016, Copenhagen, Denmark. IEEE . ISBN 9781467384858

Qi, X, Kundu, I orcid.org/0000-0002-3564-1903, Agnew, G et al. (9 more authors) (2016) Frequency Tunability in Coupled-cavity Terahertz Quantum Cascade Lasers. In: UNSPECIFIED Conference on Optoelectronic and Microelectronic Materials and Devices, 12 Dec 2016, Sydney, Australia. . (In Press)

Rakic, AD, Agnew, G, Qi, X et al. (15 more authors) (2016) Laser feedback interferometry with THz QCLs: A new technology for imaging and materials analysis. In: Proceedings of the 8th International Symposium on Ultrafast Phenomena and Terahertz Waves. The 8th International Symposium on Ultrafast Phenomena and Terahertz Waves, 10-12 Oct 2016, Congqing, China. Optical Society of America . ISBN 9781943580217

Yang, N, Kundu, I, Xie, Y et al. (3 more authors) (2016) A Proposal and Simulation for Phase-locked THz-QCLs Array by Mutual Injection of the Optical Fields. In: UNSPECIFIED International Quantum Cascade Lasers School and Workshop, 04-09 Sep 2016, Cambridge, UK. .

Kundu, I, Valavanis, A orcid.org/0000-0001-5565-0463, Chen, L et al. (4 more authors) (2016) Quasi-continuous tuning in coupled cavity terahertz quantum cascade lasers with an integrated photonic lattice. In: UNSPECIFIED International Quantum Cascade Lasers School and Workshop, 04-09 Sep 2016, Cambridge, UK. .

Kundu, I, Wang, F, Qi, X et al. (12 more authors) (2016) Time-resolved analysis of Vernier selection dynamics in coupled-cavity terahertz quantum-cascade lasers. In: UNSPECIFIED International Quantum Cascade Lasers School and Workshop, 04-09 Sep 2016, Cambridge, UK. .

Grier, A, Valavanis, A, Edmunds, C et al. (8 more authors) (2016) Design considerations for GaN/AlN based unipolar (opto-)electronic devices, and interface quality aspects. In: 2016 IEEE Photonics Society Summer Topical Meeting Series. 2016 IEEE Photonics Society Summer Topical Meeting (SUM 2016), 11-13 Jul 2016, Newport Beach, CA, USA. IEEE , pp. 90-91. ISBN 9781509019007

Rakic, AD, Agnew, G, Qi, X et al. (18 more authors) (2016) Terahertz Frequency Quantum Cascade Lasers: Optical Feedback Effects and Applications. In: 16th International Conference on Numerical Simulation of Optoelectronic Devices: NUSOD 2016. 2016 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD), 11-15 Jul 2016, Sydney, Australia. IEEE , pp. 203-204. ISBN 978-1-4673-8603-6

Linfield, EH, Valavanis, A orcid.org/0000-0001-5565-0463, Han, YJ orcid.org/0000-0003-2141-3077 et al. (9 more authors) (2016) Terahertz frequency quantum cascade lasers for use as waveguide-integrated local oscillators. In: 10th European Conference on Antennas and Propagation (EuCAP 2016). 10th European Conference on Antennas and Propagation (EuCAP 2016), 10-15 Apr 2016, Davos, Switzerland. IEEE . ISBN 9788890701863

Agnew, G, Grier, A, Taimre, T et al. (12 more authors) (2015) Terahertz quantum cascade laser bandwidth prediction. In: Microwave Photonics (MWP), 2015 International Topical Meeting on. 2015 IEEE International Topical Meeting on Microwave Photonics (MWP), 26-29 Oct 2015, Paphos, Cyprus. IEEE .

Bulcha, BT, Hesler, JL, Valavanis, A et al. (9 more authors) (2015) Phase Locking Of A 2.5 THz Quantum Cascade Laser To A Microwave Reference Using THz Schottky Mixer. In: 2015 40th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz). 40th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2015), 23-28 Aug 2015, Hong Kong. IEEE , pp. 1-2. ISBN 978-1-4799-8272-1

Rui, D, Valavanis, A, Han, Y et al. (11 more authors) (2015) Waveguide-integrated terahertz-frequency quantum cascade lasers for detection of trace-gas species. In: 2015 40th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). 40th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2015), 23-28 Aug 2015, Hong Kong. IEEE , pp. 1-2. ISBN 978-1-4799-8272-1

Rea, SP, Ellison, BN, Swinyard, B et al. (14 more authors) (2015) The Low-Cost Upper-Atmosphere Sounder (LOCUS). In: 26th International Symposium on Space Terahertz Technology. 26th International Symposium on Space Terahertz Technology (ISSTT 2015), 16-18 Mar 2015, Cambridge, MA, USA. .

Agnew, G, Grier, A, Taimre, T et al. (12 more authors) (2015) A QCL model with integrated thermal and stark rollover mechanisms. In: Optoelectronic and Microelectronic Materials & Devices (COMMAD), 2014 Conference on. Optoelectronic and Microelectronic Materials & Devices (COMMAD), 2014 Conference on, 14-17 Dec 2014, Perth, Australia. IEEE , 48 - 51 (4). ISBN 978-1-4799-6867-1

Reeder, R, Udal, A, Velmre, E et al. (4 more authors) (2014) Numerical aspects of the development of Quantum Cascade Laser simulation software. In: 14th Biennial Baltic Electronics Conference (BEC2014). 14th Biennial Baltic Electronics Conference (BEC2014), 06-08 Oct 2014, Tallinn, Estonia. IEEE , pp. 37-40. ISBN 9781467395397

Keeley, JT, Dean, P, Valavanis, A et al. (10 more authors) (2014) Electrical modulation schemes for imaging by self-mixing in terahertz quantum cascade lasers. In: UNSPECIFIED International Quantum Cascade Lasers Summer School and Workshop, 7-12 Sept 2014, Policoro, Italy. . (Unpublished)

Rakić, AD, Taimre, T, Bertling, K et al. (11 more authors) (2014) THz QCL self-mixing interferometry for biomedical applications. In: Proceedings of SPIE - The International Society for Optical Engineering. Terahertz Emitters, Receivers, and Applications V, 17-18 August 2014, San Diego, California. Society of Photo-optical Instrumentation Engineers , 91990M - ?.

Dean, P, Taimre, T, Lui, A et al. (13 more authors) (2014) Coherent THz imaging using the self-mixing effect in quantum cascade lasers. In: Optical Sensors. Optical Sensors, July 27-31, 2014, Barcelona Spain. Optical Society of America , SeTh4B.3 - SeTh4B.3. ISBN 978-1-55752-820-9

Valavanis, A (2014) Computational methods for calculating the bandstructure of THz QCLs. In: Training School in Terahertz, Infrared and Millimetre Wave technology and its Application to Sensing and Imaging. Training School in Terahertz, Infrared and Millimetre Wave technology and its Application to Sensing and Imaging, 14-16 Jul 2014, Leeds, UK. .

Valavanis, A, Dean, P, Li, LH et al. (16 more authors) (2014) High-power (> 1 Watt) terahertz frequency quantum cascade lasers for stand-off imaging. In: SET-210 Specialist Meeting on Novel infrared laser technology for modern battlefield requirements. SET-210 Specialist Meeting on Novel infrared laser technology for modern battlefield requirements, 24-25 Jul 2014, Salisbury, UK. NATO .

Kundu, I, Dean, P, Valavanis, A et al. (5 more authors) (2014) Discrete Vernier tuning with constant output power in terahertz quantum cascade lasers using coupled cavities. In: UNSPECIFIED UK Semiconductors, 9-10 July 2014, Sheffield, UK. Institute of Physics . (Unpublished)

Valavanis, A, Dean, P, Chowdhury, S et al. (4 more authors) (2013) Spectroscopic analysis of powders through diffuse-reflectance imaging using a frequency-switchable terahertz quantum cascade laser. In: 38th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2013. IRMMW-THz 2013: The 38th International Conference on Infrared, Millimeter and Terahertz Waves, 01-06 Sep 2013, Mainz on the Rhine, Germany. IEEE . ISBN 978-1-4673-4717-4

Dean, P, Taimre, T, Bertling, K et al. (10 more authors) (2013) Coherent imaging and sensing using the self-mixing effect in THz quantum cascade lasers. In: UNSPECIFIED UNSPECIFIED. Princeton University .

Ivanov, P, Valavanis, A, Ikonic, Z et al. (1 more author) (2013) Design and Simulation of SiGe/Ge Structures for Optically Pumped THz Lasers. In: UNSPECIFIED UNSPECIFIED. Institute of Physics .

Grier, A, Ikonic, Z, Valavanis, A et al. (3 more authors) (2013) Density Matrix Model Applied to GaAs and GaN-based Terahertz Quantum Cascade Lasers. In: UNSPECIFIED UNSPECIFIED. IEEE .

Ivanov, P, Valavanis, A orcid.org/0000-0001-5565-0463, Ikonic, Z et al. (1 more author) (2013) Design considerations for optically pumped Ge/SiGe intersubband lasers. In: Proceedings of the E-MRS 2013 Spring Meeting. E-MRS 2013 Spring Meeting, 27-31 May 2013, Strasbourg, France. .

Rakić, AD, Taimre, T, Bertling, K et al. (12 more authors) (2013) Self-mixing effect in THz quantum cascade lasers: Applications in sensing and imaging. In: 2013 IEEE 4th International Conference on Photonics (ICP). 2013 IEEE 4th International Conference on Photonics (ICP), 28th-30th October 2013, Melaka, Malaysia. IEEE , 18 - 20. ISBN 978-1-4673-6073-9

Valavanis, A, Dean, P, Scheuring, A et al. (9 more authors) (2013) Transient Analysis Of Substrate Heating Effects In A Terahertz Quantum Cascade Laser Using An Ultrafast NbN Superconducting Detector. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. IRMMW-THz 2013: The 38th International Conference on Infrared, Millimeter and Terahertz Waves, 1 - 6 September 2013, Mainz on the Rhine, Germany. IEEE . ISBN 9781467347174

Lim, YL, Bertling, K, Dean, P et al. (8 more authors) (2012) Self-mixing signals in terahertz lasers. In: 2012 Conference on Optoelectronic and Microelectronic Materials Devices (COMMAD). UNSPECIFIED. IEEE , http://dx.doi.org/10.1109/COMMAD.2012.6472382 , 105 - 106 .

Alhathlool, R, Dean, P, Valavanis, A et al. (11 more authors) (2012) Terahertz sensing and imaging through self-mixing in a quantum cascade laser. In: UNSPECIFIED UK Semiconductors 2012, Sheffield, UK. .

Dinh, TV, Valavanis, A, Ikonic, Z et al. (1 more author) (2011) Design of Ge/SiGe quantum cascade lasers using the density matrix model. In: Group IV Photonics (GFP), 2011 8th IEEE International Conference on. 8th IEEE International Conference on Group IV Photonics, 14 - 16 September 2011, London. Institute of Electrical & Electronics Engineers , 293 - 295 . ISBN 978-1-4244-8338-9

Dean, P, Valavanis, A, Khanna, SP et al. (7 more authors) (2011) Terahertz sensing and imaging using a quantum cascade laser. In: Proceedings of IEEE Sensors. IEEE Sensors, 28-31 October 2011, Limerick. IEEE , 51 - 54 . ISBN 978-1-4244-9290-9

Salih, M, Dean, P, Cunningham, JE et al. (5 more authors) (2010) Three-well, resonant-phonon depopulation, quantum cascade lasers with thinned active regions and surface-plasmon waveguides. In: IQCLSW 2010. International Quantum Cascade Lasers School & Workshop, 30 August - 3 September 2010, Villa Finaly, Florence. . (Unpublished)

Lever, L, Ikonic, Z, Valavanis, A et al. (1 more author) (2010) Design of Ge/SiGe quantum-confined Stark effect modulators for CMOS compatible photonics. In: Kubby, JA and Reed, GT, (eds.) Proceedings SPIE. Silicon Photonics V, 24 January 2010, San Francisco, California, USA. The International Society for Optical Engineering , San Francisco, California, USA , 76060Q - ? (9).

Valavanis, A, Lever, LJM, Evans, CA et al. (2 more authors) (2009) Low electric field silicon-based THz quantum cascade laser employing L-valley intersubband transitions. In: UNSPECIFIED UK Semiconductors 2009, 1-2 Jul 2009, Sheffield, UK. .

Ikonic, Z, Kelsall, RW and Valavanis, A (2008) Intersubband transitions in n-type group IV quantum cascade lasers. In: UNSPECIFIED International Quantum Cascade Lasers School & Workshop 2008, 14-19 September 2008, Monte Verita, Switzerland. . (Unpublished)

Valavanis, A, Ikonic, Z and Kelsall, RW (2007) n-Type Si/SiGe quantum cascade structures. In: UNSPECIFIED The Ninth International Conference on Intersubband Transitions in Quantum Wells, 9-14 September 2007, Ambleside, UK. .

Valavanis, A, Ikonic, Z and Kelsall, RW (2007) Intervalley mixing and intersubband transitions in n-type Si/SiGe quantum wells. In: UNSPECIFIED The Ninth International Conference on Intersubband Transitions in Quantum Wells, 9-14 September 2007, Ambleside, UK. . (Unpublished)

Ahmad, E, Valavanis, A and Xu, YB (2005) Vertical spin electronic device with large room temperature magnetoresistance. In: Magnetics Conference, 2005. INTERMAG Asia 2005. Digests of the IEEE International. INTERMAG Asia 2005, 4 - 8 April 2005, Nagoya, Japan. IEEE , 615 - 616 . ISBN 0-7803-9009-1

Scheuring, A, Dean, P, Valavanis, A et al. (10 more authors) Analysis of THz pulses of a Quantum Cascade Laser in the time-domain using superconducting direct detectors. In: UNSPECIFIED Tagung Kryoelektronische Bauelemente 2012, Freudenstadt-Lauterbad, Germany. .

Dean, P, Keeley, J, Valavanis, A et al. (10 more authors) Coherent imaging and sensing using the self-mixing effect in THz quantum cascade lasers. In: UNSPECIFIED International Conference on THz and Mid Infrared Radiation And Applications to Cancer Detection Using Laser Imaging, 10 - 11 October, 2013, Sheffield, UK. COST: European Cooperation in Science and Technology . (Unpublished)

Valavanis, A, Dean, P, Lim, YL et al. (12 more authors) Detection of concealed weapons and characterisation of crystalline powders using terahertz quantum cascade lasers. In: UNSPECIFIED UK Semiconductors 2012, Sheffield, UK. .

Kundu, I, Dean, P, Valavanis, A et al. (5 more authors) Discrete Vernier tuning in terahertz quantum cascade lasers using coupled cavities. In: UNSPECIFIED IQCLSW2014 International Quantum Cascade Lasers School and Workshop, 7-12 Sept 2014, Policoro, Italy. . (Unpublished)

Valavanis, A, Dean, P, Lim, YL et al. (10 more authors) Feedback interferometry and diffuse reflectance imaging with terahertz quantum cascade lasers. In: UNSPECIFIED NATO Advanced Research Workshop on Detection of Explosives and CBRN (Using Terahertz), Cesme, Izmir, Turkey. .

Grier, A, Valavanis, A, Cooper, JD et al. (3 more authors) Influence of barrier height on interface roughness scattering and coherent transport in AlGaAs quantum cascade lasers. In: UNSPECIFIED IQCLSW2014 International Quantum Cascade Lasers School and Workshop, 7-12 Sept 2014, Policoro, Italy. . (Unpublished)

Cooper, JD, Grier, A, Valavanis, A et al. (4 more authors) Modelling surface acoustic wave modulation of the carrier concentration in quantum cascade lasers for broadband tuneability. In: UNSPECIFIED International Quantum Cascade Lasers School & Workshop 2012, Baden near Vienna, Austria. .

Valavanis, A, Cooper, JD, Grier, A et al. (1 more author) Quantum wells, wires and dots (QWWAD): development of an open-source simulation suite for semiconductor nanostructures. In: UNSPECIFIED UK Semiconductors 2014, 9 - 10th July 2014, Sheffield, UK. . (Unpublished)

Han, YJ, Li, LH, Zhu, JX et al. (5 more authors) Silver-based surface plasmon waveguide for terahertz quantum cascade lasers. In: UNSPECIFIED IQCLSW2014 International Quantum Cascade Lasers School and Workshop, 07-12 Sep 2014, Policoro, Italy. . (Unpublished)

Ivanov, P, Valavanis, A, Ikonic, Z et al. (1 more author) Simulated effect of epitaxial growth variations on THz emission and gain of SiGe/Ge quantum cascade structures. In: UNSPECIFIED International Conference on Simulation of Semiconductor Processes and Devices (SISPAD) 2013, 3 - 5 September 2013, Glasgow, Scotland, United Kingdom. IEEE .

Ivanov, P, Valavanis, A, Ikonic, Z et al. (1 more author) Simulated effect of epitaxial growth variations on the gain of SiGe/Ge quantum cascade lasers. In: UNSPECIFIED European Semiconductor Laser Workshop (ESLW-2013), 27 - 28th September, 2013, Bristol, UK. . (Unpublished)

Valavanis, A, Alhathlool, R, Dean, P et al. (11 more authors) Surface-profiling through self-mixing in a THz quantum cascade laser. In: UNSPECIFIED International Quantum Cascade Lasers School & Workshop 2012, Baden near Vienna, Austria. .

Li, LH, Chen, L, Zhu, JX et al. (5 more authors) THz quantum cascade lasers with output power over 1 W. In: UNSPECIFIED IQCLSW2014 International Quantum Cascade Lasers School and Workshop, 7-12 Sept 2014, Policoro, Italy. . (Unpublished)

Kundu, I, Dean, P, Li, LH et al. (5 more authors) Terahertz quantum cascade lasers with externally biased photonic lattices for electronic tuning. In: UNSPECIFIED International Quantum Cascade Lasers School & Workshop 2012, Baden near Vienna, Austria. .

Kundu, I, Dean, P, Li, LH et al. (5 more authors) Terahertz quantum cascade lasers with externally biased photonic lattices for electronic tuning. In: UNSPECIFIED UK Semiconductors 2012, Sheffield, UK. .

Valavanis, A, Dean, P, Salih, M et al. (10 more authors) Time-resolved measurement of heating effects in a terahertz quantum cascade laser with a NbN superconducting detector. In: UNSPECIFIED International Quantum Cascade Lasers School & Workshop 2012, Baden near Vienna, Austria. .

Grier, A, Cooper, JD, Lever, L et al. (11 more authors) A scattering rate approach to the understanding of absorption line broadening in near-infrared AlGaN/GaN quantum wells. In: UNSPECIFIED 6th Space Agency – MOD Workshop on Wide Band Gap Semiconductors and Components, Noordwijk, The Netherlands. .

Book

Harrison, P and Valavanis, A orcid.org/0000-0001-5565-0463 (2016) Quantum Wells, Wires and Dots: Theoretical and Computational Physics of Semiconductor Nanostructures. Wiley , Chichester . ISBN 978-1-118-92336-8

This list was generated on Sun Aug 18 07:03:42 2019 BST.