Title :
Gain compression in a quantum cascade laser: Connection between high frequency tuning and bending of LI curve
Author :
Hangauer, A. ; Wysocki, Gerard
Author_Institution :
Electr. Eng. Dept., Princeton Univ., Princeton, NJ, USA
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.
Keywords :
chirp modulation; laser tuning; optical pulse compression; quantum cascade lasers; LI curve bending; gain compression; high-frequency chirping; laser tuning; light-current characteristic; photon lifetime; quantum cascade laser; time 9 ps; Chirp; Diode lasers; Laser tuning; Quantum cascade lasers; Temperature measurement;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
