Title :
Terahertz semiconductor gain medium: Static properties and dynamic behavior
Author :
Darmo, J. ; Kroll, J. ; Martl, M. ; Dietze, D. ; Barbieri, S. ; Sirtori, C. ; Unterrainer, K.
Author_Institution :
Photonics Inst., Vienna Univ. of Technol., Vienna
Abstract :
Study of gain medium of terahertz quantum cascade lasers based on the interaction with broadband coherent radiation is presented. The phase resolved emitted field provides information on gain bandwidth, saturation recovery dynamics and coherent processes.
Keywords :
light coherence; quantum cascade lasers; submillimetre wave lasers; broadband coherent radiation; coherent processes; dynamic behavior; gain bandwidth; phase resolved emitted field; quantum cascade lasers; saturation recovery dynamics; static properties; terahertz lasers; terahertz semiconductor gain medium; Bandwidth; Frequency; Optical pulses; Pulse amplifiers; Pump lasers; Quantum cascade lasers; Spectroscopy; Stimulated emission; Time domain analysis; Waveguide lasers; (140.5965) Semiconductor lasers, quantum cascade; (300.6500) Spectroscopy, time-resolved;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
