Title :
Mid-IR optical amplifications using resonant gain of quantum cascade lasers
Author :
Guo, Dingkai ; Chen, Xing ; Cheng, Liwei ; Belyanin, Alexey ; Trivedi, Sudhir ; Choa, Fow-Sen
Author_Institution :
Univ. of Maryland, Baltimore, MD, USA
Abstract :
Using quantum-cascade-lasers (QCL) as resonant optical amplifiers, active filters, and detectors with gain, we demonstrated signal amplification in the mid-IR wavelength range. Optical gain of >;10dB and electrical gain of >;28dB were achieved.
Keywords :
active filters; infrared detectors; optical filters; quantum cascade lasers; semiconductor optical amplifiers; QCL; active filters; detectors; electrical gain; mid-IR optical amplifications; mid-IR wavelength; optical gain; quantum cascade lasers; resonant gain; resonant optical amplifiers; Gain; Optical amplifiers; Optical pulses; Optical waveguides; Quantum cascade lasers; Signal detection; Stimulated emission;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6