Title :
High-speed modulation characteristic of a quantum cascade laser
Author :
Hangauer, A. ; Spinner, G. ; Nikodem, Maciej ; Wysocki, Gerard
Author_Institution :
Electr. Eng. Dept., Princeton Univ., Princeton, NJ, USA
Abstract :
A high-frequency (100kHz-1GHz) modulation of the quantum cascade laser amplitude and phase is presented. Plasma-effect tuning with coefficients in 0.5-1.7MHz/mA range is observed depending on bias current. Carrier dynamics effects appear at frequencies >100MHz.
Keywords :
amplitude modulation; frequency modulation; high-speed optical techniques; laser tuning; optical modulation; phase modulation; quantum cascade lasers; bias current; carrier dynamic effects; frequency 1000 kHz to 1 GHz; high-frequency modulation characteristics; high-speed modulation characteristics; plasma-effect tuning; quantum cascade laser amplitude modulation; quantum cascade laser phase modulation; Frequency modulation; Gas lasers; Laser tuning; Quantum cascade lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
