CUED Publications database

Gain bandwidth characterization of surface-emitting quantum well laser gain structures for femtosecond operation

Barnes, ME and Mihoubi, Z and Wilcox, KG and Quarterman, AH and Farrer, I and Ritchie, DA and Garnache, A and Hoogland, S and Apostolopoulos, V and Tropper, AC (2010) Gain bandwidth characterization of surface-emitting quantum well laser gain structures for femtosecond operation. Optics Express, 18. pp. 21330-21341. ISSN 1094-4087

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Abstract

We present a method to experimentally characterize the gain filter and calculate a corresponding parabolic gain bandwidth of lasers that are described by "class A" dynamics by solving the master equation of spectral condensation for Gaussian spectra. We experimentally determine the gain filter, with an equivalent parabolic gain bandwidth of up to 51 nm, for broad-band InGaAs/GaAs quantum well gain surface-emitting semiconductor laser structures capable of producing pulses down to 60 fs width when mode-locked with an optical Stark saturable absorber mirror. © 2010 Optical Society of America.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div B > Photonics
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 11:21
Last Modified: 08 Dec 2014 02:22
DOI: 10.1364/OE.18.021330