Title :
Room-temperature operation of index-coupled distributed-feedback 4.75 μm quantum cascade lasers fabricated without epitaxial regrowth
Author :
Briggs, R.M. ; Frez, C. ; Borgentun, Carl E. ; Forouhar, S.
Author_Institution :
Jet Propulsion Lab., California Inst. of Technol., Pasadena, CA, USA
Abstract :
We demonstrate single-mode distributed-feedback quantum cascade lasers at 4.75 μm with etched index-coupled surface gratings and spin-on dielectric infilling. We observe continuous wave laser emission at room temperature with 5 W of electrical power consumption.
Keywords :
diffraction gratings; distributed feedback lasers; laser beams; quantum cascade lasers; continuous wave laser emission; electrical power consumption; etched index-coupled surface gratings; index-coupled distributed-feedback quantum cascade lasers; power 5 W; room-temperature operation; single-mode distributed-feedback quantum cascade lasers; spin-on dielectric infilling; temperature 293 K to 298 K; wavelength 4.75 mum; Absorption; Gas lasers; Gratings; Laser tuning; Power lasers; Quantum cascade lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
