Academic Unit (A-Z): Institute of Microwaves and Photonics (Leeds)

Califano, M. (2008) Efficient Auger electron cooling in seemingly unfavourable configurations: hole traps and electrochemical charging. The Journal of Physical Chemistry C, 112 (23). pp. 8570-8574.

Abunjaileh, A.I., Hunter, I.C. and Kemp, A.H. (2008) A circuit-theoretic approach to the design of quadruple-mode broadband microstrip patch antennas. IEEE Transactions on Microwave Theory and Techniques, 56 (4). pp. 896-9000. ISSN 0018-9480

An, J.M., Califano, M., Franceschetti, A. and Zunger, A. (2008) Excited-state relaxation in PbSe quantum dots. Journal of Chemical Physics, 128 (16). 164720. ISSN 0021-9606

Isic, Goran, Milanovic, Vitomir, Radovanovic, Jelena, Ikonic, Zoran, Indjin, Dragan and Paul, Harrison (2008) Time delay in thin slabs with self-focusing Kerr-type nonlinearity. Physical Review A, 77 . 033821. ISSN 1050-2947

Valavanis, A., Ikonic, Z. and Kelsall, R.W. (2008) Intersubband carrier scattering in n- and p-Si/SiGe quantum wells with diffuse interfaces. Physical Review B, 77 (7). 075312. ISSN 1550-235x

Reeder, R., Ikonić, Z., Harrison, P., Udal, A. and Velmre, E. (2007) Laterally pumped GaAs/AlGaAs quantum wells as sources of broadband terahertz radiation. Journal of Applied Physics, 102 (073715). ISSN 1089-7550

Savić, I., Vukmirović, N., Ikonić, Z., Indjin, D., Kelsall, R.W., Harrison, P. and Milanović, V. (2007) Density matrix theory of transport and gain in quantum cascade lasers in a magnetic field. Physical Review B, 76 (165310). ISSN 1550-235x

Califano, M. (2007) Giant suppression of Auger electron cooling in charged nanocrystals. Applied Physics Letters, 91 (17). 172114. ISSN 00036951

Valavanis, A., Ikonic, Z. and Kelsall, R. W. (2007) Intervalley splitting and intersubband transitions in n-type Si/SiGe quantum wells: pseudopotential vs. effective mass calculation. Physical Review B, 75 (20). 205332. ISSN 1550-235x

Lazic, I., Ikonic, Z., Milanovic, V., Kelsall, R.W., Indjin, D. and Harrison, P. (2007) Electron transport in n-doped Si/SiGe quantum cascade structures. Journal of Applied Physics, 101 . 093703. ISSN 1089-7550

Califano, M., Franceschetti, A. and Zunger, A. (2007) Lifetime and polarization of the radiative decay of excitons, biexcitons and trions in CdSe nanocrystal quantum dots. Physical Review B, 75 (11). Art. No. 115401. ISSN 1550-235x

Califano, M., Vinh, N.Q., Phillips, P.J., Ikonić, Z., Kelsall, R.W., Harrison, P., Pidgeon, C.R., Murdin, B.N., Paul, D.J., Townsend, P., Zhang, J., Ross, I.M. and Cullis, A.G. (2007) Interwell relaxation times in p-Si/SiGe asymmetric quantum well structures: the role of interface roughness. Physical Review B, 75 (4). Art. No. 045338. ISSN 1550-235x

Ikonic, Z., Lazic, I., Milanovic, V., Kelsall, R.W., Indjin, D. and Harrison, P. (2006) n-Si/SiGe quantum cascade structures for THz emission. Journal of Luminescence, 121 (2). pp. 311-314. ISSN 0022-2313

Evans, C.A., Jovanovic, V.D., Indjin, D., Ikonic, Z. and Harrison, P. (2006) Investigation of thermal effects in quantum-cascade lasers. IEEE Journal of Quantum Electronics, 42 (9). pp. 859-867. ISSN 0018-9197

McTavish, J., Indjin, D. and Harrison, P. (2006) Aspects of the internal physics of InGaAs/InAlAs quantum cascade lasers. Journal of Applied Physics, 99 (11). 114505-(6 pages). ISSN 1089-7550

Fu, L., Tan, H.H., McKerracher, I., Wong-Leung, J., Jagadish, C., Vukmirovic, N. and Harrison, P. (2006) Effects of rapid thermal annealing on device characteristics of InGaAs/GaAs quantum dot infrared photodetectors. Journal of Applied Physics, 99 (11). 114517-(8 pages). ISSN 1089-7550

Jovanovic, V.D., Hofling, S., Indjin, D., Vukmirovic, N., Ikonic, Z., Harrison, P., Reithmaier, J.P. and Forchel, A. (2006) Influence of doping density on electron dynamics in GaAs/AlGaAs quantum cascade lasers. Journal of Applied Physics, 99 (10). 103106-(9 pages). ISSN 1089-7550

Califano, M., Chakraborty, T., Pietiläinen, P. and Hu, C.M. (2006) Breaking of Larmor's theorem in quantum Hall states with spin-orbit coupling. Physical Review B, 73 (11). Art. No. 113315. ISSN 1550-235x

Ikonic, Z., Harrison, P. and Kelsall, R.W. (2006) Electric field domains in p-Si/SiGe quantum cascade structures. IEEE Transactions on Electron Devices, 53 (2). pp. 189-195. ISSN 0018-9383

Vukmirovic, N., Ikonic, Z., Jovanovic, V.D., Indjin, D. and Harrison, P. (2005) Optically pumped intersublevel midinfrared lasers based on InAs-GaAs quantum dots. IEEE Journal of Quantum Electronics, 41 (11). pp. 1361-1368. ISSN 0018-9197

Savic, I., Milanovic, V., Vukmirovic, N., Jovanovic, V.D., Ikonic, Z., Indjin, D. and Harrison, P. (2005) Magnetic field tunable terahertz quantum well infrared photodetector. Journal of Applied Physics, 98 (8). 084509-(8 pages). ISSN 1089-7550

Evans, C.A., Jovanovic, V.D., Indjin, D., Ikonic, Z. and Harrison, P. (2005) Design and simulation of InGaAs/AlAsSb quantum-cascade lasers for short wavelength emission. Applied Physics Letters, 87 (141109). ISSN 0003-6951

Vukmirovic, N., Indjin, D., Jovanovic, V.D., Ikonic, Z. and Harrison, P. (2005) Symmetry of k·p Hamiltonian in pyramidal InAs/GaAs quantum dots: Application to the calculation of electronic structure. Physical Review B: Condensed Matter and Materials Physics, 72 (7). 075356(10). ISSN 1550-235X

Cechavicius, B., Kavaliauskas, J., Krivaite, G., Seliuta, D., Valusis, G., Halsall, M.P., Steer, M.J. and Harrison, P. (2005) Photoreflectance and surface photovoltage spectroscopy of beryllium-doped GaAs/AlAs multiple quantum wells. Journal of Applied Physics, 98 (2). 023508-(8 pages). ISSN 1089-7550

Radovanovic, J., Milanovic, V., Ikonic, Z., Indjin, D. and Harrison, P. (2005) Electron-phonon relaxation rates and optical gain in a quantum cascade laser in a magnetic field. Journal of Applied Physics, 97 (10). 103109 -(5 pages). ISSN 1089-7550

Vukmirovic, N., Jovanovic, V.D., Indjin, D., Ikonic, Z., Harrison, P. and Milanovic, V. (2005) Optically pumped terahertz laser based on intersubband transitions in a GaN/AlGaN double quantum well. Journal of Applied Physics, 97 (10). 103106-(5 pages). ISSN 1089-7550

Harrison, P., Indjin, D., Jovanovic, V.D., Mircetic, A., Ikonic, Z., Kelsall, R.W., McTavish, J., Savic, I., Vukmirovic, N. and Milanovic, V. (2005) A physical model of quantum cascade lasers: Application to GaAs, GaN and SiGe devices. Physica Status Solidi (A): Applied Research, 202 (6). pp. 980-986. ISSN 1521-396X

Gregory, I.S., Baker, C., Tribe, W.R., Bradley, I.V., Evans, M.J., Linfield, E.H., Davies, A.G. and Missous, M. (2005) Optimization of photomixers and antennas for continuous-wave terahertz emission. IEEE Journal of Quantum Electronics, 41 (5). pp. 717-728. ISSN 0018-9197

Mircetic, A., Indjin, D., Ikonic, Z., Harrison, P., Milanovic, V. and Kelsall, R.W. (2005) Towards automated design of quantum cascade lasers. Journal of Applied Physics, 97 (8). 084506-(7 pages). ISSN 1089-7550

Ikonic, Z., Harrison, P. and Kelsall, R.W. (2004) Self-consistent energy balance simulations of hole dynamics in SiGe/Si THz quantum cascade structures. Journal of Applied Physics, 96 (11). pp. 6803-6811. ISSN 1089-7550

Savic, I., Milanovic, V., Ikonic, Z., Indjin, D., Jovanovic, V. and Harrison, P. (2004) Dilute magnetic semiconductor quantum-well structures for magnetic field tunable far-infrared/terahertz absorption. IEEE Journal of Quantum Electronics, 40 (11). pp. 1614-1621. ISSN 0018-9197

Stone, M.R., Naftaly, M., Miles, R.E., Fletcher, J.R. and Steenson, D.P. (2004) Electrical and radiation characteristics of semilarge photoconductive terahertz emitters. IEEE Transactions on Microwave Theory and Techniques, 52 (10). pp. 2420-2429. ISSN 0018-9480

Garcia-Garcia, J., Martin, F. and Miles, R.E. (2004) Optimization of micromachined relex klystrons for operation at terahertz frequencies. IEEE Transactions on Microwave Theory and Techniques, 52 (10). pp. 2366-2370. ISSN 0018-9480

Eisele, H. and Kamoua, R. (2004) Submillimeter-wave InP Gunn devices. IEEE Transactions on Microwave Theory and Techniques, 52 (10). pp. 2371-2378. ISSN 0018-9480

Jovanovic, V.D., Harrison, P., Ikonic, Z. and Indjin, D. (2004) Physical model of quantum-well infrared photodetectors. Journal of Applied Physics, 96 (10). pp. 269-272. ISSN 1089-7550

Berry, E., Handley, J.W., Fitzgerald, A.J., Merchant, W.J., Boyle, R.D., Zinov'ev, N.N., Miles, R.E., Chamberlain, J.M. and Smith, M.A. (2004) Multispectral classification techniques for terahertz pulsed imaging: an example in histopathology. Medical Engineering and Physics, 26 (5). pp. 423-430. ISSN 1350-4533

Radovanovic, J., Milanovic, V., Ikonic, Z., Indjin, D., Jovanovic, V. and Harrison, P. (2003) Optimal design of GaN-AlGaN Bragg-confined structures for intersubband absorption in the near-infrared spectral range. IEEE Journal of Quantum Electronics, 39 (10). pp. 1297-1304. ISSN 0018-9197

Indjin, D., Ikonic, Z., Harrison, P. and Kelsall, R.W. (2003) Surface plasmon waveguides with gradually doped or NiAl intermetallic compound buried contact for terahertz quantum cascade lasers. Journal of Applied Physics, 94 (5). pp. 3249-3252. ISSN 1089-7550

Berry, E., Walker, G.C., Fitzgerald, A.J., Zinov'ev, N.N., Chamberlain, M., Smye, S.W., Miles, R.E. and Smith, M.A. (2003) Do in vivo terahertz imaging systems comply with safety guidelines? Journal of Laser Applications, 15 (3). pp. 192-198. ISSN 1042-346X

Jovanovic, V.D., Ikonic, Z., Indjin, D., Harrison, P., Milanovic, V. and Soref, R.A. (2003) Designing strain-balanced GaN/AlGaN quantum well structures: Application to intersubband devices at 1.3 and 1.55 mu m wavelengths. Journal of Applied Physics, 93 (6). pp. 3194-3197. ISSN 1089-7550

Indjin, D., Harrison, P., Kelsall, R.W. and Ikonic, Z. (2003) Self-consistent scattering model of carrier dynamics in GaAs-AlGaAs terahertz quantum-cascade lasers. IEEE Photonics Technology Letters, 15 (1). pp. 15-17. ISSN 1041-1135

Harrison, P., Indjin, D. and Kelsall, R.W. (2002) Electron temperature and mechanisms of hot carrier generation in quantum cascade lasers. Journal of Applied Physics, 92 (11). pp. 6921-6923. ISSN 1089-7550

Rooney, J.P., Parry, R., Hunter, I. and Pollard, R.D. (2002) A filter synthesis technique applied to the design of multistage broad-band microwave amplifiers. IEEE Transactions on Microwave Theory and Techniques, 50 (12). pp. 2947-2953. ISSN 0018-9480

Collantes, J.M., Pollard, R.D. and Sayed, M. (2002) Effects of DUT mismatch on the noise figure characterization: A comparative analysis of two Y-factor techniques. IEEE Transactions on Instrumentation and Measurement, 51 (6). pp. 1150-1156. ISSN 0018-9456

Zheng, W.M., Halsall, M.P., Harmer, P., Harrison, P. and Steer, M.J. (2002) Acceptor binding energy in delta-doped GaAs/AlAs multiple-quantum wells. Journal of Applied Physics, 92 (10). pp. 6039-6042. ISSN 1089-7550

Kocinac, S., Tomic, S., Ikonic, Z. and Milanovic, V. (2002) On the interdiffusion-based quantum cascade laser. IEEE Photonics Technology Letters, 14 (8). pp. 1067-1069. ISSN 1041-1135

Etteh, N.E.I. and Harrison, P. (2002) Quantum mechanical scattering investigation of the thermionic and field induced emission components of the dark current in quantum well infrared photodetectors. Journal of Applied Physics, 92 (1). pp. 248-252. ISSN 1089-7550

Indjin, D., Harrison, P., Kelsall, R.W. and Ikonic, Z. (2002) Self-consistent scattering theory of transport and output characteristics of quantum cascade lasers. Journal of Applied Physics, 91 (11). pp. 9019-9026. ISSN 1089-7550

Gadir, M.A., Harrison, P. and Soref, R.A. (2002) Responsivity of quantum well infrared photodetectors at terahertz detection wavelengths. Journal of Applied Physics, 91 (9). pp. 5820-5825. ISSN 1089-7550

Kinsler, P., Kelsall, R.W. and Harrison, P. (2002) Nonequilibrium electron heating in inter-subband terahertz lasers. Journal of Applied Physics, 91 (3). pp. 904-910. ISSN 1089-7550

Califano, M. and Harrison, P. (2002) Composition, volume, and aspect ratio dependence of the strain distribution, band lineups and electron effective masses in self-assembled pyramidal In1-xGaxAs/GaAs and SixGe1-x/Si quantum dots. Journal of Applied Physics, 91 (1). pp. 389-398. ISSN 1089-7550

Rudge, P.J., Miles, R.E., Steer, M.B. and Snowden, C.M. (2001) Investigation into intermodulation distortion in HEMTs using a quasi-2-D physical model. IEEE Transactions on Microwave Theory and Techniques, 49 (12). pp. 2315-2321. ISSN 0018-9480

Abbas, Z., Pollard, R.D. and Kelsall, R.W. (2001) Complex permittivity measurements at Ka-Band using rectangular dielectric waveguide. IEEE Transactions on Instrumentation and Measurement, 50 (5). pp. 1334-1342. ISSN 0018-9456

Tomic, S., Milanovic, V. and Ikonic, Z. (2001) Gain optimization in optically pumped AlGaAs unipolar quantum-well lasers. IEEE Journal of Quantum Electronics, 37 (10). pp. 1337-1344. ISSN 0018-9197

Dixon, B.J., Pollard, R.D. and Iezekiel, S. (2001) Orthogonal frequency-division multiplexing in wireless communication systems with multimode fiber feeds. IEEE Transactions on Microwave Theory and Techniques, 49 (8). pp. 1404-1409. ISSN 0018-9480

Kocinac, S., Ikonic, Z. and Milanovic, V. (2001) Second harmonic generation at the quantum-interference induced transparency in semiconductor quantum wells: The influence of permanent dipole moments. IEEE Journal of Quantum Electronics, 37 (7). pp. 873-876. ISSN 0018-9197

Etteh, N.E.I. and Harrison, P. (2001) Carrier scattering approach to the origins of dark current in mid- and far-infrared (terahertz) quantum-well intersubband photodetectors (QWIPs). IEEE Journal of Quantum Electronics, 37 (5). pp. 672-675. ISSN 0018-9197

Donovan, K., Harrison, P. and Kelsall, R.W. (2001) Self-consistent solutions to the intersubband rate equations in quantum cascade lasers: Analysis of a GaAs/AlxGa1-xAs device. Journal of Applied Physics, 89 (6). pp. 3084-3090. ISSN 1089-7550

Harrison, P. and Soref, R.A. (2001) Population-inversion and gain estimates for a semiconductor TASER. IEEE Journal of Quantum Electronics, 37 (1). pp. 153-158. ISSN 0018-9197

Califano, M. and Harrison, P. (2000) Quantum box energies as a route to the ground state levels of self-assembled InAs pyramidal dots. Journal of Applied Physics, 88 (10). pp. 5870-5874. ISSN 1089-7550

Califano, M. and Harrison, P. (1999) Approximate methods for the solution of quantum wires and dots : Connection rules between pyramidal, cuboidal, and cubic dots. Journal of Applied Physics, 86 (9). pp. 5054-5059. ISSN 1089-7550

Kinsler, P., Harrison, P. and Kelsall, R.W. (1999) Intersubband terahertz lasers using four-level asymmetric quantum wells. Journal of Applied Physics, 85 (1). pp. 23-28. ISSN 1089-7550

Donovan, K., Harrison, P. and Kelsall, R.W. (1998) Stark ladders as tunable far-infrared emitters. Journal of Applied Physics, 84 (9). pp. 5175-5179. ISSN 1089-7550

Fatah, J.M., Harrison, P., Stirner, T., Hogg, J.H.C. and Hagston, W.E. (1998) Double crystal x-ray diffraction simulations of diffusion in semiconductor microstructures. Journal of Applied Physics, 83 (8). pp. 4037-4041. ISSN 1089-7550

Long, F., Hagston, W.E., Harrison, P. and Stirner, T. (1997) The structural dependence of the effective mass and Luttinger parameters in semiconductor quantum wells. Journal of Applied Physics, 82 (7). pp. 3414-3421. ISSN 1089-7550

Harrison, P. and Kelsall, R.W. (1997) Population inversion in optically pumped asymmetric quantum well terahertz lasers. Journal of Applied Physics, 81 (11). pp. 7135-7140. ISSN 1089-7550

Harrison, P. and Hagston, W.E. (1996) The effects of linear and non-linear diffusion on exciton energies in quantum wells. Journal of Applied Physics, 79 (11). pp. 8451-8455. ISSN 1089-7550

Long, F., Harrison, P. and Hagston, W.E. (1996) Empirical pseudopotential calculations of Cd1-xMnxTe. Journal of Applied Physics, 79 (9). pp. 6939-6942. ISSN 1089-7550

Steed, R., Matthews, M., Plumridge, J., Frogley, M., Phillips, C., Ikonic, Z., Harrison, P., Malis, O., Pfeiffer, L.N. and West, K.W. (2008) Saturation of intersubband transitions in p-doped GaAs/AlGaAs quantum wells. Applied Physics Letters, 92 (18).

Moontragoon, P., Vukmirović, N., Ikonić, Z. and Harrison, P. (2008) Electronic structure and optical properties of Sn and SnGe quantum dots. Journal of Applied Physics, 103 (10).