Title :
Effect of band structure anisotropy on gain spectra of SQW lasers and amplifiers
Author :
Klimenko, M.V. ; Shulika, O.V. ; Mashoshyna, O.V. ; Sukhoivanov, I.A.
Author_Institution :
Lab. Photonics, Kharkov Nat. Univ. of Radio Electron.
Abstract :
The effect of the anisotropy of the valence band on the gain spectra of quantum wells is studied in the frame of kp-theory and envelope function approximation. In this paper shown that the application of axial approximation leads to understated gain. The maximum errors of gain spectra are located in the same points as peaks of gain spectrum at energy axis. Such errors can amount to 18,8% that makes axial approximation inapplicable
Keywords :
k.p calculations; quantum well lasers; semiconductor heterojunctions; valence bands; SQW amplifier; SQW laser; envelope function approximation; gain spectra; kp-theory; single quantum well; valence band structure anisotropy; Anisotropic magnetoresistance; Dispersion; Function approximation; Gallium arsenide; Optical polarization; Photonics; Quantum mechanics; Quantum well lasers; Smoothing methods; Tellurium;
Conference_Titel :
Laser and Fiber-Optical Networks Modeling, 2005. Proceedings of LFNM 2005. 7th International Conference on
Conference_Location :
Yalta, Crimea
Print_ISBN :
0-7803-9147-0
DOI :
10.1109/LFNM.2005.1553183
