| Ge-on-Si single-photon avalanche diode detectors: design, modeling, fabrication, and characterization at wavelengths 1310 and 1550 nm RE Warburton, G Intermite, M Myronov, P Allred, DR Leadley, K Gallacher, ... IEEE Transactions on Electron Devices 60 (11), 3807-3813, 2013 | 106 | 2013 |
| Modulation of the absorption coefficient at 1.3 μm in Ge/SiGe multiple quantum well heterostructures on silicon L Lever, Y Hu, M Myronov, X Liu, N Owens, FY Gardes, IP Marko, ... Optics letters 36 (21), 4158-4160, 2011 | 73 | 2011 |
| Low-voltage broad-band electroabsorption from thin Ge/SiGe quantum wells epitaxially grown on silicon EH Edwards, L Lever, ET Fei, TI Kamins, Z Ikonic, JS Harris, RW Kelsall, ... Optics express 21 (1), 867-876, 2013 | 60 | 2013 |
| Extended density-matrix model applied to silicon-based terahertz quantum cascade lasers TV Dinh, A Valavanis, LJM Lever, Z Ikonić, RW Kelsall Physical Review B—Condensed Matter and Materials Physics 85 (23), 235427, 2012 | 52 | 2012 |
| Design of Ge–SiGe quantum-confined Stark effect electroabsorption heterostructures for CMOS compatible photonics L Lever, Z Ikonić, A Valavanis, JD Cooper, RW Kelsall Journal of lightwave technology 28 (22), 3273-3281, 2010 | 44 | 2010 |
| Simulated [111] Si–SiGe terahertz quantum cascade laser L Lever, A Valavanis, Z Ikonić, RW Kelsall Applied Physics Letters 92 (2), 2008 | 35 | 2008 |
| Material configurations for -type silicon-based terahertz quantum cascade lasers A Valavanis, TV Dinh, LJM Lever, Z Ikonić, RW Kelsall Physical Review B—Condensed Matter and Materials Physics 83 (19), 195321, 2011 | 32 | 2011 |
| Adiabatic mode coupling between SiGe photonic devices and SOI waveguides L Lever, Z Ikonić, RW Kelsall Optics express 20 (28), 29500-29506, 2012 | 28 | 2012 |
| Band transport model for discotic liquid crystals LJ Lever, RW Kelsall, RJ Bushby Physical Review B—Condensed Matter and Materials Physics 72 (3), 035130, 2005 | 28 | 2005 |
| Si/SiGe quantum cascade superlattice designs for terahertz emission G Matmon, DJ Paul, L Lever, M Califano, Z Ikonić, RW Kelsall, J Zhang, ... Journal of Applied Physics 107 (5), 2010 | 27 | 2010 |
| Terahertz ambipolar dual-wavelength quantum cascade laser L Lever, NM Hinchcliffe, SP Khanna, P Dean, Z Ikonić, CA Evans, ... Optics express 17 (22), 19926-19932, 2009 | 25 | 2009 |
| Theory and design of quantum cascade lasers in (111) -type Si/SiGe A Valavanis, L Lever, CA Evans, Z Ikonić, RW Kelsall Physical Review B—Condensed Matter and Materials Physics 78 (3), 035420, 2008 | 23 | 2008 |
| The importance of electron temperature in silicon-based terahertz quantum cascade lasers L Lever, A Valavanis, CA Evans, Z Ikonić, RW Kelsall Applied Physics Letters 95 (13), 2009 | 14 | 2009 |
| Optical absorption in highly strained Ge/SiGe quantum wells: The role of Γ→ Δ scattering L Lever, Z Ikonić, A Valavanis, RW Kelsall, M Myronov, DR Leadley, Y Hu, ... Journal of applied physics 112 (12), 2012 | 11 | 2012 |
| Design of Ge/SiGe quantum-confined Stark effect modulators for CMOS compatible photonics L Lever, Z Ikonić, A Valavanis, RW Kelsall Silicon Photonics V 7606, 183-191, 2010 | 7 | 2010 |
| Si/SiGe bound-to-continuum quantum cascade emitters DJ Paul, G Matmon, L Lever, Z Ikonic, R Kelsall, D Chrastina, G Isella, ... ECS Transactions 16 (10), 865, 2008 | 6 | 2008 |
| A band transport model for highly ordered discotic mesophases L Lever, R Kelsall, R Bushby Journal of Computational Electronics 4, 101-104, 2005 | 5 | 2005 |
| Germanium/silicon heterostructures for terahertz emission RW Kelsall, VT Dinh, P Ivanov, A Valavanis, LJM Lever, Z Ikonic, P Velha, ... ECS Transactions 50 (9), 763, 2013 | 4 | 2013 |
| Modelling surface acoustic wave modulation of the carrier concentration in quantum cascade lasers for broadband tuneability JD Cooper, A Grier, A Valavanis, L Lever, Z Ikonic, P Harrison, ... Leeds, 2012 | 3 | 2012 |
| Silicon photonics: optical modulators GT Reed, FY Gardes, Y Hu, D Thomson, L Lever, R Kelsall, Z Ikonic Quantum Sensing and Nanophotonic Devices VII 7608, 165-175, 2010 | 3 | 2010 |
