DocumentCode
2677742
Title
Non-equilibrium Green´s function calculation for GaN-based terahertz quantum cascade laser structures
Author
Yasuda, Hiroaki ; Kubis, Tillmann ; Hirakawa, Kazuhiko
Author_Institution
Nat. Inst. of Inf. & Commun. Technol., Tokyo, Japan
fYear
2011
fDate
2-7 Oct. 2011
Firstpage
1
Lastpage
2
Abstract
We have investigated GaN-based resonant phonon THz-quantum cascade laser (QCL) structures for possible high-temperature operations by using the non-equilibrium Green´s function method. It is found that the GaN THz-QCL structures do not have a gain sufficient for lasing due to very strong electron-LO phonon interaction.
Keywords
Green´s function methods; electron-phonon interactions; gallium compounds; infrared sources; quantum cascade lasers; submillimetre wave lasers; wide band gap semiconductors; GaN; THz-QCL; electron-LO phonon interaction; high-temperature operations; nonequilibrium Green function; terahertz quantum cascade laser; Electron optics; Gallium nitride; Green products; Optical scattering; Phonons; Quantum cascade lasers;
fLanguage
English
Publisher
ieee
Conference_Titel
Infrared, Millimeter and Terahertz Waves (IRMMW-THz), 2011 36th International Conference on
Conference_Location
Houston, TX
ISSN
2162-2027
Print_ISBN
978-1-4577-0510-6
Electronic_ISBN
2162-2027
Type
conf
DOI
10.1109/irmmw-THz.2011.6105199
Filename
6105199
Link To Document