Items where authors include "Kelsall, RW"

Article

Yu, H, Ikonic, Z, Indjin, D et al. (1 more author) (2022) The effect of interface roughness on spectral efficiency of thermophotovoltaics with multi-layer filters. Optik, 257. 168663. ISSN 0030-4026

Chen, Z, Ikonic, Z, Indjin, D orcid.org/0000-0002-9121-9846 et al. (1 more author) (2021) Design optimization of tensile-strained SiGeSn/GeSn quantum wells at room temperature. Journal of Applied Physics, 129 (12). 123102. p. 123102. ISSN 0021-8979

Demic, A orcid.org/0000-0003-1335-6156, Ikonic, Z, Kelsall, RW orcid.org/0000-0003-4830-2457 et al. (1 more author) (2019) Density matrix superoperator for periodic quantum systems and its application to quantum cascade laser structures. AIP Advances, 9. 095019. ISSN 2158-3226

Orlova, EE orcid.org/0000-0003-0243-0074, Kelsall, RW orcid.org/0000-0003-4830-2457, Deßmann, N et al. (4 more authors) (2018) Cascade capture of charge carriers in highly doped semiconductors. Journal of Applied Physics, 124 (8). 085704. ISSN 0021-8979

Warburton, RE, Intermite, G, Myronov, M et al. (11 more authors) (2013) Ge-on-Si Single-Photon Avalanche Diode detectors: design, modeling, fabrication, and characterization at wavelengths 1310 and 1550 nm. IEEE Transactions on Electron Devices, 60 (11). 3807 - 3813. ISSN 0018-9383

Pilgrim, NJ, Ikonic, Z and Kelsall, RW (2013) Influence of absorber layer dopants on performance of Ge/Si single photon avalanche diodes. Journal of Applied Physics, 113 (14). 144508. 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

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

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

Conference or Workshop Item

Rafferty, HM, Burnett, AD, Ikonic, Z et al. (1 more author) (2013) Electronic structure of interface defects in epitaxially grown germanium on silicon. In: 16th International Workshop on Computational Electronics, 04-07 Jun 2013, Nara, Japan.

Rafferty, HM, Burnett, AD, Valavanis, A et al. (2 more authors) (2013) Electronic structure of misfit dislocations in germanium. In: UK Semiconductors 2013, 09-10 Jul 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, 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, 03-06 Apr 2006, Windermere, UK.

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 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.

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)

Proceedings Paper

Burt, D, Al-Attili, AZ, Li, Z et al. (8 more authors) (2017) Strain-engineering in Germanium membranes towards light sources on Silicon. In: 2017 IEEE Electron Devices Technology and Manufacturing Conference (EDTM 2017). 2017 IEEE Electron Devices Technology and Manufacturing Conference (EDTM 2017), 28 Feb - 02 Mar 2017, Toyama, Japan. IEEE , pp. 92-94.

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 .

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. .

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 Sep 2011, London. Institute of Electrical & Electronics Engineers , 293 - 295 . ISBN 978-1-4244-8338-9

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, 01-02 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 Sep 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, 09-14 Sep 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, 09-14 Sep 2007, Ambleside, UK. . (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, 03-05 Sep 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), 27-28 Sep 2013, Bristol, UK. . (Unpublished)