Title :
Metal-metal THz quantum cascade laser gain and loss investigated by THz time domain spectroscopy
Author :
Marti, Michael ; Darmo, Juraj ; Deutsch, Christoph ; Brandstetter, Martin ; Benz, Alexander ; Andrews, Aaron Maxwell ; Klang, Pavel ; Schrenk, Werner ; Strasser, Gottfried ; Unterrainer, Karl
Author_Institution :
Photonics Inst., Vienna Univ. of Technol., Vienna, Austria
Abstract :
THz time-domain studies on metal-metal THz quantum cascade lasers are presented. A coupled cavity method allows to probe the laser via modulation of coherent broadband THz pulses. Observed laser gain and loss processes are discussed.
Keywords :
laser cavity resonators; optical modulation; quantum cascade lasers; terahertz spectroscopy; THz time domain spectroscopy; coherent broadband THz pulses; coupled cavity; laser gain; laser loss; laser modulation; metal-metal THz quantum cascade laser; Broadband communication; Cavity resonators; Metals; Optical waveguides; Quantum cascade lasers; Spectroscopy; Time domain analysis;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2011 Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-4577-1223-4
