Title :
Absence of relaxation oscillation in quantum cascade lasers verified by high-frequency modulation
Author :
Martini, R. ; Paiella, R. ; Capasso, F. ; Gmachl, C. ; Hwang, H.Y. ; Sivco, D.L. ; Cho, A.Y. ; Whittaker, E.A. ; Liu, H.C.
Author_Institution :
Lucent Technol. Bell Labs., Murray Hill, NJ, USA
Abstract :
Summary form only given. The characteristic absence of relaxation oscillation peak in quantum cascade lasers is demonstrated for the first time by high-speed modulation response measurements along with its digital high-speed data transmission capability (2.5 Gbit/s).
Keywords :
digital communication; frequency response; laser transitions; optical modulation; optical transmitters; population inversion; quantum well lasers; semiconductor superlattices; waveguide lasers; 2.5 Gbit/s; damped coupled oscillations; digital high-speed data transmission capability; eye diagram; free-space optical communication; frequency response; high-speed modulation response; population inversion; quantum cascade lasers; relaxation oscillation absence; ultrafast carrier dynamics; Frequency modulation; Frequency response; High speed optical techniques; Laser transitions; Physics; Pump lasers; Quantum cascade lasers; Resonance; Testing; Wavelength measurement;
Conference_Titel :
Lasers and Electro-Optics, 2001. CLEO '01. Technical Digest. Summaries of papers presented at the Conference on
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
1-55752-662-1
DOI :
10.1109/CLEO.2001.948235
