Title :
Towards watt-level performance of terahertz quantum cascade lasers
Author :
Deutsch, C. ; Brandstetter, M. ; Krall, M. ; Detz, H. ; Andrews, A.M. ; Schrenk, W. ; Strasser, G. ; Unterrainer, Au
Author_Institution :
Photonics Inst., Vienna Univ. of Technol., Vienna, Austria
Abstract :
Terahertz quantum cascade lasers have not reached watt-level output powers yet. We present surface-plasmon devices with a peak power of 0.94 W. The device consists of two symmetric active regions combined by a wafer-bonding step.
Keywords :
quantum cascade lasers; surface plasmons; power 0.94 W; surface-plasmon devices; terahertz quantum cascade lasers; wafer-bonding step; Doping profiles; Optical device fabrication; Optical surface waves; Optical waveguides; Performance evaluation; Quantum cascade lasers; Surface waves;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
