Self-consistent scattering theory of transport and output characteristics of quantum cascade lasers D Indjin, P Harrison, RW Kelsall, Z Ikonić Journal of Applied Physics 91 (11), 9019-9026, 2002 | 149 | 2002 |

Terahertz imaging through self-mixing in a quantum cascade laser P Dean, YL Lim, A Valavanis, R Kliese, M Nikolić, SP Khanna, M Lachab, ... Optics letters 36 (13), 2587-2589, 2011 | 146 | 2011 |

Terahertz imaging using quantum cascade lasers—a review of systems and applications P Dean, A Valavanis, J Keeley, K Bertling, YL Lim, R Alhathlool, ... Journal of Physics D: Applied Physics 47 (37), 374008, 2014 | 135 | 2014 |

Simulation and design of GaN/AlGaN far-infrared quantum-cascade laser VD Jovanović, D Indjin, Z Ikonić, P Harrison Applied physics letters 84 (16), 2995-2997, 2004 | 103 | 2004 |

Electron temperature and mechanisms of hot carrier generation in quantum cascade lasers P Harrison, D Indjin, RW Kelsall Journal of Applied Physics 92 (11), 6921-6923, 2002 | 85 | 2002 |

Swept-frequency feedback interferometry using terahertz frequency QCLs: a method for imaging and materials analysis AD Rakić, T Taimre, K Bertling, YL Lim, P Dean, D Indjin, Z Ikonić, ... Optics express 21 (19), 22194-22205, 2013 | 81 | 2013 |

Demonstration of a self-mixing displacement sensor based on terahertz quantum cascade lasers Y Leng Lim, P Dean, M Nikolić, R Kliese, SP Khanna, M Lachab, ... Applied Physics Letters 99 (8), 081108, 2011 | 80 | 2011 |

Mechanisms of temperature performance degradation in terahertz quantum-cascade lasers D Indjin, P Harrison, RW Kelsall, Z Ikonić Applied Physics Letters 82 (9), 1347-1349, 2003 | 77 | 2003 |

Investigation of thermal effects in quantum-cascade lasers CA Evans, VD Jovanovic, D Indjin, Z Ikonic, P Harrison IEEE Journal of Quantum Electronics 42 (9), 859-867, 2006 | 72 | 2006 |

Mechanisms of dynamic range limitations in GaAs∕ AlGaAs quantum-cascade lasers: Influence of injector doping VD Jovanović, D Indjin, N Vukmirović, Z Ikonić, P Harrison, EH Linfield, ... Applied Physics Letters 86 (21), 211117, 2005 | 71 | 2005 |

System and method for addressing a performance improvement cycle of a business D Ensing, M Brereton, C Rose US Patent App. 10/180,397, 2003 | 71 | 2003 |

Influence of doping density on electron dynamics in quantum cascade lasers VD Jovanović, S Höfling, D Indjin, N Vukmirović, Z Ikonić, P Harrison, ... Journal of Applied Physics 99 (10), 103106, 2006 | 63 | 2006 |

Optically pumped terahertz laser based on intersubband transitions in a GaN∕ AlGaN double quantum well N Vukmirović, VD Jovanović, D Indjin, Z Ikonić, P Harrison, V Milanović Journal of applied physics 97 (10), 103106, 2005 | 63 | 2005 |

Influence of leakage current on temperature performance of GaAs/AlGaAs quantum cascade lasers D Indjin, P Harrison, RW Kelsall, Z Ikonić Applied physics letters 81 (3), 400-402, 2002 | 61 | 2002 |

Symmetry of Hamiltonian in pyramidal quantum dots: Application to the calculation of electronic structure N Vukmirović, D Indjin, VD Jovanović, Z Ikonić, P Harrison Physical Review B 72 (7), 075356, 2005 | 54 | 2005 |

Coherent three-dimensional terahertz imaging through self-mixing in a quantum cascade laser P Dean, A Valavanis, J Keeley, K Bertling, Y Leng Lim, R Alhathlool, ... Applied Physics Letters 103 (18), 181112, 2013 | 50 | 2013 |

Intraband absorption in InAs/GaAs quantum dot infrared photodetectors—effective mass versus k× p modelling N Vukmirović, Ž Gačević, Z Ikonić, D Indjin, P Harrison, V Milanović Semiconductor science and technology 21 (8), 1098, 2006 | 50 | 2006 |

Thermal modeling of terahertz quantum-cascade lasers: comparison of optical waveguides CA Evans, D Indjin, Z Ikonic, P Harrison, MS Vitiello, V Spagnolo, ... IEEE journal of quantum electronics 44 (7), 680-685, 2008 | 46 | 2008 |

Towards automated design of quantum cascade lasers A Mirčetić, D Indjin, Z Ikonić, P Harrison, V Milanović, RW Kelsall Journal of applied physics 97 (8), 084506, 2005 | 45 | 2005 |

Density matrix theory of transport and gain in quantum cascade lasers in a magnetic field I Savić, N Vukmirović, Z Ikonić, D Indjin, RW Kelsall, P Harrison, ... Physical Review B 76 (16), 165310, 2007 | 43 | 2007 |