Title :
Widely tunable distributed Bragg quantum cascade laser for gas sensing applications
Author :
Diba, Abdou ; Sydoryk, Ihor ; Gross, Barry ; Moshary, Fred ; Feng Xie ; Chung-en Zah
Author_Institution :
Dept. of Electr. Eng., City Coll. of New York, New York, NY, USA
Abstract :
We report continuous mode-hop free tuning of a sample-grating distributed Bragg reflector (SG-DBR) quantum cascade laser (QCL) operating at 4.55μm wavelength observing N2O features in this range by controlling all three sections of laser namely: front DBR, back DBR and the phase.
Keywords :
distributed Bragg reflectors; gas sensors; laser tuning; nitrogen compounds; optical control; quantum cascade lasers; remote sensing by laser beam; DBR; back DBR control; continuous mode-hop free tuning; front DBR control; gas sensing; phase control; sample-grating distributed Bragg reflector QCL; wavelength 4.55 mum; widely tunable distributed Bragg quantum cascade laser; Distributed feedback devices; Gas lasers; Laser modes; Laser tuning; Measurement by laser beam; Quantum cascade lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
