Items where authors include "Khanna, SP"

Article

Wolde, S, Chauhan, D, Somvanshi, D et al. (5 more authors) (2019) Accuracy of activation energy from Arrhenius plots and temperature-dependent internal photoemission spectroscopy. Infrared Physics & Technology, 102. 103026. ISSN 1350-4495

Bertling, K, Han, S, Wu, T et al. (10 more authors) (2018) Determining Ethanol Content of Liquid Solutions Using Laser Feedback Interferometry with a Terahertz Quantum Cascade Laser. IEEE Sensors Letters, 2 (3). 3501604. ISSN 2475-1472

Somvanshi, D, Chauhan, D, Lao, YF et al. (4 more authors) (2018) Analysis of Extended Threshold Wavelength Photoresponse in Nonsymmetrical p-GaAs/AlGaAs Heterostructure Photodetectors. IEEE Journal of Selected Topics in Quantum Electronics, 24 (2). 3801407. ISSN 1077-260X

Chauhan, D, Perera, AGU, Li, L et al. (3 more authors) (2017) Extended wavelength infrared photodetectors. Optical Engineering, 56 (9). 091605. ISSN 0091-3286

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

Wolde, S, Lao, YF, Pitigala, PKDDP et al. (4 more authors) (2016) Low-frequency noise properties of p-type GaAs/AlGaAs heterojunction detectors. Infrared Physics and Technology, 78. pp. 99-104. ISSN 1350-4495

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

Lao, Y-F, Perera, AGU, Li, LH et al. (4 more authors) (2016) Mid-infrared photodetectors operating over an extended wavelength range up to 90 K. Optics Letters, 41 (2). pp. 285-288. ISSN 0146-9592

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

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

Rauter, P, Lin, J, Genevet, P et al. (5 more authors) (2014) Electrically pumped semiconductor laser with monolithic control of circular polarization. Proceedings of the National Academy of Sciences of USA, 111 (52). E5623-E5632. ISSN 1091-6490

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

Dodoo-Amoo, NA, Saeed, K, Mistry, D et al. (5 more authors) (2014) Non-universality of scaling exponents in quantum Hall transitions. Journal of Physics: Condensed Matter, 26. 475801. ISSN 0953-8984

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

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

Lao, Y-F, Perera, AGU, Li, LH orcid.org/0000-0003-4998-7259 et al. (3 more authors) (2014) Tunable hot-carrier photodetection beyond the bandgap spectral limit. Nature Photonics, 8 (5). pp. 412-418. ISSN 1749-4885

Lao, Y-F, Pitigala, PKDDP, Unil Perera, AG et al. (3 more authors) (2014) Wavelength-extended photovoltaic infrared photodetectors. Applied Physics Letters, 104 (13). 131101. ISSN 0003-6951

Dean, P, Awang, AH, Kundu, I et al. (6 more authors) (2013) Detection of terahertz frequency radiation via the photothermoelastic response of zincblende crystals. Journal of the Optical Society of America B, 30 (12). 12. 3151 - 3160. ISSN 0740-3224

Lao, Y-F, Perera, AGU, Li, LH et al. (3 more authors) (2013) Direct observation of spin-orbit splitting and phonon-assisted optical transitions in the valence band by internal photoemission spectroscopy. Physical Review B: Condensed Matter and Materials Physics, 88 (20). 201302. ISSN 1098-0121

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

Ravaro, M, Jagtap, V, Santarelli, G et al. (5 more authors) (2013) Continuous-wave coherent imaging with terahertz quantum cascade lasers using electro-optic harmonic sampling. Applied Physics Letters, 102 (9). 091107. ISSN 0003-6951

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

Palenskis, V, Matukas, J, Pralgauskaite, S et al. (6 more authors) (2013) Low-frequency noise properties of beryllium δ-doped GaAs/AlAs quantum wells near the Mott transition. Journal of Applied Physics, 113 (8). 083707. ISSN 0021-8979

Xu, G, Halioua, Y, Colombelli, R et al. (6 more authors) (2013) Phase-locking of surface-emitting THz quantum cascade laser arrays. Proceedings of SPIE - The International Society for Optical Engineering, 8631. ISSN 0277-786X

Liang, G, Liang, H, Zhang, Y et al. (9 more authors) (2013) Single-mode surface-emitting concentric-circular-grating terahertz quantum cascade lasers. Applied Physics Letters, 102 (3). ARTN 031119. ISSN 0003-6951

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

Nedzinskas, R, Čechavičius, B, Kavaliauskas, J et al. (5 more authors) (2012) Polarized photoreflectance and photoluminescence spectroscopy of InGaAs/GaAs quantum rods grown with As2 and As4 sources. Nanoscale Research Letters, 7. 609. ISSN 1931-7573

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

Maysonnave, J, Jukam, N, Rungsawang, R et al. (11 more authors) (2012) Measuring the sampling coherence of a terahertz quantum cascade laser. Optics Express, 20 (15). 16662 - 16670. ISSN 1094-4087

Maysonnave, J, Jukam, N, Ibrahim, MS et al. (10 more authors) (2012) Integrated injection seeded terahertz source and amplifier for time-domain spectroscopy. Optics Letters, 37 (4). 731 - 733. ISSN 0146-9592

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

Conference or Workshop Item

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.

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.

Agnew, G, Grier, A, Taimre, T et al. (13 more authors) Prediction of Turn-on Delay in a Pulsed Terahertz Quantum Cascade Laser. In: 13th International Conference on Optoelectronics and Microelectronic Materials and Devices (COMMAD2016), 12-14 Dec 2016, Sydney, Australia. (Unpublished)

Proceedings Paper

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

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

Perera, AGU, Lao, YF, Li, LH et al. (2 more authors) (2015) Tunable hot-carrier photodetector. In: 2015 IEEE Summer Topicals Meeting Series (SUM). 2015 IEEE Summer Topicals Meeting Series (SUM), 13-15 Jul 2015, Nassau, Bahamas. IEEE , pp. 61-62. ISBN 9781479974689

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 .

Perera, AGU, Lao, Y-F, Li, LH et al. (2 more authors) (2015) Tunable hot-carrier photodetectors for terahertz frequency operation. In: Proceedings of a meeting held 16-18 March 2015, Cambridge, Massachusetts, USA. 26th International Symposium on Space Terahertz Technology, 16-18 Mar 2015, Cambridge, MA, USA. International Symposium on Space Terahertz Technology , 129 - 132. ISBN 9781510809338

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

Saat, NK, Dean, P, Khanna, SP et al. (3 more authors) (2015) Switching circuit to improve the frequency modulation difference-intensity THz quantum cascade laser imaging. In: AIP Conference Proceedings. NATIONAL PHYSICS CONFERENCE 2014 (PERFIK 2014), 18-19 Nov 2014, Kuala Lumpur, Malaysia. American Institute of Physics . ISBN 978-0-7354-1299-6

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 .

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 .

Xu, G, Halioua, Y, Colombelli, R et al. (6 more authors) (2013) Phase-locked arrays of surface-emitting terahertz distributed feedback quantum cascade lasers. In: Lasers and Electro-Optics Europe (CLEO EUROPE/IQEC), 2013 Conference on and International Quantum Electronics Conference. 2013 Conference on Lasers and Electro-Optics Europe and International Quantum Electronics Conference, CLEO/Europe-IQEC 2013, 12-16 May 2013, Munich. IEEE . ISBN 978-1-4799-0593-5

Dean, P, Awang, AH, Kundu, I et al. (5 more authors) (2013) Photothermoelastic response of zincblende crystals to radiation from a THz-frequency quantum cascade laser. In: International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz. 38th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 01-06 Sep 2013, Mainz, Germany. IEEE . ISBN 9781467347174

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), 28-30 Oct 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, 01-06 Sep 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. .

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 Oct 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 Aug - 03 Sep 2010, Villa Finaly, Florence. . (Unpublished)

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 Oct 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. .

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. .

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. .

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. .