CUED Publications database

Theoretical model for dicke superradiance in a semiconductor laser device

Guo, X and Williams, KA and Olle, V and Wonfor, A and Penty, RV and White, IH (2011) Theoretical model for dicke superradiance in a semiconductor laser device. IEEE Photonics Technology Letters, 23. pp. 1817-1819. ISSN 1041-1135

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Abstract

A theoretical model for Dicke superradiance (SR) in diode lasers is proposed using the travelling wave method with a spatially resolved absorber and spectrally resolved gain. The role of electrode configuration and optical bandwidth are compared and contrasted as a route to enhance femtosecond pulse power. While pulse duration can be significantly reduced through careful absorber length specification, stability is degraded. However an increased spectral gain bandwidth of up to 150 nm is predicted to allow pulsewidth reductions of down to 10 fs and over 500-W peak power without further degradation in pulse stability. © 2011 IEEE.

Item Type: Article
Uncontrolled Keywords: Semiconductor device modeling short pulse generation spontaneous emission
Subjects: UNSPECIFIED
Divisions: Div B > Photonics
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 11:44
Last Modified: 28 Nov 2014 19:06
DOI: 10.1109/LPT.2011.2169661