Share Email Print
cover

Proceedings Paper

Many-body and geometric confinement effects on THz laser gain in asymmetric quantum wells
Author(s): Hai-Yan Zhu; Tong-Yi Zhang; Wei Zhao
Format Member Price Non-Member Price
PDF $14.40 $18.00

Paper Abstract

Considering the Coulomb many-body interactions, we theoretically investigate the terahertz optical gain spectrum in an asymmetric step quantum well by employing the intersubband semiconductor-Bloch equations (SBEs). We show the effects of various many-body interactions on the THz gain spectrum. Because of the pump-induced population redistribution, optical gain saturation at larger pump intensities is predicted. The dependence of optical gain on electron density, temperature is also explored in detail.

Paper Details

Date Published: 16 February 2009
PDF: 8 pages
Proc. SPIE 7277, Photonics and Optoelectronics Meetings (POEM) 2008: Terahertz Science and Technology, 72770W (16 February 2009); doi: 10.1117/12.822757
Show Author Affiliations
Hai-Yan Zhu, Xi’an Institute of Optics and Precision Mechanics (China)
Graduate School of the Chinese Academy of Sciences (China)
Tong-Yi Zhang, Xi’an Institute of Optics and Precision Mechanics (China)
Wei Zhao, Xi’an Institute of Optics and Precision Mechanics (China)


Published in SPIE Proceedings Vol. 7277:
Photonics and Optoelectronics Meetings (POEM) 2008: Terahertz Science and Technology
Jianquan Yao; Shenggang Liu; Xi-Cheng Zhang, Editor(s)

© SPIE. Terms of Use
Back to Top