Gain compression in a quantum cascade laser: Connection between high frequency tuning and bending of LI curve

A. Hangauer; G. Wysocki

doi:10.1364/CLEO_AT.2014.JW2A.76

CLEO: 2014
OSA Technical Digest (online) (Optica Publishing Group, 2014),
paper JW2A.76
•https://doi.org/10.1364/CLEO_AT.2014.JW2A.76

Gain compression in a quantum cascade laser: Connection between high frequency tuning and bending of LI curve

A. Hangauer and G. Wysocki

CLEO: Applications and Technology 2014

San Jose, California United States
8–13 June 2014
ISBN: 978-1-55752-999-2

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Poster Session 2 (JW2A)

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A. Hangauer and G. Wysocki, "Gain compression in a quantum cascade laser: Connection between high frequency tuning and bending of LI curve," in CLEO: 2014, OSA Technical Digest (online) (Optica Publishing Group, 2014), paper JW2A.76.

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Abstract

This paper studies relation between high-frequency chirping of a quantum-cascade laser and the curvature of its light-current characteristic. Assuming negligible thermal backfilling and a photon lifetime of 9ps, a gain-compression effect explains both experimental observations.

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