Title :
Index-coupled DFB Quantum Cascade Lasers with high SMSR using metal grating
Author :
Carras, M. ; Garcia, M. ; Drisse, O. ; Marcadet, X. ; Krakowski, M. ; De Rossi, A. ; Bansropun, S.
Author_Institution :
Alcatel Thales 3-5 lab, Palaiseau
Abstract :
We demonstrate of a metal grating purely index coupled distributed feedback quantum cascade Lasers at around 7.5mum. It presents a large tuning without broadband gain and side mode suppression ratio above 30 dB.
Keywords :
distributed feedback lasers; laser modes; laser tuning; optical couplers; quantum cascade lasers; DFB lasers; SMSR; distributed feedback lasers; index-coupled lasers; metal grating; quantum cascade lasers; side mode suppression ratio; tuning; Gratings; Quantum cascade lasers;
Conference_Titel :
Lasers and Electro-Optics, 2007 and the International Quantum Electronics Conference. CLEOE-IQEC 2007. European Conference on
Conference_Location :
Munich
Print_ISBN :
978-1-4244-0931-0
Electronic_ISBN :
978-1-4244-0931-0
DOI :
10.1109/CLEOE-IQEC.2007.4385983
