Two-well quantum cascade laser optimization by non-equilibrium Green's function modelling
Forskningsoutput: Tidskriftsbidrag › Artikel i vetenskaplig tidskrift
Abstract
We present a two-quantum well THz intersubband laser operating up to 192 K. The structure has been optimized using non-equilibrium Green's function model. The result of this optimization was confirmed experimentally by growing, processing, and measuring a number of proposed designs. At high temperature (T > 200 K), the simulations indicate that lasing fails due to a combination of electron-electron scattering, thermal backfilling, and, most importantly, re-absorption coming from broadened states.
Detaljer
Författare | |
---|---|
Enheter & grupper | |
Externa organisationer |
|
Forskningsområden | Ämnesklassifikation (UKÄ) – OBLIGATORISK
|
Originalspråk | engelska |
---|---|
Artikelnummer | 021104 |
Tidskrift | Applied Physics Letters |
Volym | 112 |
Utgåva nummer | 2 |
Status | Published - 2018 jan 8 |
Publikationskategori | Forskning |
Peer review utförd | Ja |
Nedladdningar
Ingen tillgänglig data