Design procedure for the active region of current pumped quantum cascade laser is proposed, so to achieve maximal gain. Starting with an arbitrary smooth potential, a family of isospectral Hamiltonians with predefined energy spectrum is generated using the inverse spectral theory. By varying the relevant control parameter the potential shape is varied, inducing changes in transition dipole moments and electron-phonon scattering times, and the optimal potential which gives the largest gain is thus found. For purpose of realization, a simple step quantum-well structure with just a few layers is then designed so that in the post-growth heating-induced layer interdiffusion, it will acquire a shape as close as possible to the optimal smooth potential.
Keywords:
gain optimization / layer interdiffusion / quantum cascade lasers
TY - JOUR
AU - Kočinac, Saša
AU - Tomić, S
AU - Ikonić, Z
AU - Milanović, V.
PY - 2002
UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/441
AB - Design procedure for the active region of current pumped quantum cascade laser is proposed, so to achieve maximal gain. Starting with an arbitrary smooth potential, a family of isospectral Hamiltonians with predefined energy spectrum is generated using the inverse spectral theory. By varying the relevant control parameter the potential shape is varied, inducing changes in transition dipole moments and electron-phonon scattering times, and the optimal potential which gives the largest gain is thus found. For purpose of realization, a simple step quantum-well structure with just a few layers is then designed so that in the post-growth heating-induced layer interdiffusion, it will acquire a shape as close as possible to the optimal smooth potential.
PB - IEEE-Inst Electrical Electronics Engineers Inc, Piscataway
T2 - IEEE Photonics Technology Letters
T1 - On the interdiffusion-based quantum cascade laser
EP - 1069
IS - 8
SP - 1067
VL - 14
DO - 10.1109/LPT.2002.1021971
ER -
@article{
author = "Kočinac, Saša and Tomić, S and Ikonić, Z and Milanović, V.",
year = "2002",
abstract = "Design procedure for the active region of current pumped quantum cascade laser is proposed, so to achieve maximal gain. Starting with an arbitrary smooth potential, a family of isospectral Hamiltonians with predefined energy spectrum is generated using the inverse spectral theory. By varying the relevant control parameter the potential shape is varied, inducing changes in transition dipole moments and electron-phonon scattering times, and the optimal potential which gives the largest gain is thus found. For purpose of realization, a simple step quantum-well structure with just a few layers is then designed so that in the post-growth heating-induced layer interdiffusion, it will acquire a shape as close as possible to the optimal smooth potential.",
publisher = "IEEE-Inst Electrical Electronics Engineers Inc, Piscataway",
journal = "IEEE Photonics Technology Letters",
title = "On the interdiffusion-based quantum cascade laser",
pages = "1069-1067",
number = "8",
volume = "14",
doi = "10.1109/LPT.2002.1021971"
}
Kočinac, S., Tomić, S., Ikonić, Z.,& Milanović, V.. (2002). On the interdiffusion-based quantum cascade laser. in IEEE Photonics Technology Letters
IEEE-Inst Electrical Electronics Engineers Inc, Piscataway., 14(8), 1067-1069.
https://doi.org/10.1109/LPT.2002.1021971
Kočinac S, Tomić S, Ikonić Z, Milanović V. On the interdiffusion-based quantum cascade laser. in IEEE Photonics Technology Letters. 2002;14(8):1067-1069.
doi:10.1109/LPT.2002.1021971 .
