Title :
Closed-Loop Quantum Design of a Multi-Watt 1178 nm VECSEL
Author :
Moloney, J.V. ; Hader, J. ; Koch, S.W. ; Fan, L. ; Hessenius, C. ; Fallahi, Mahmoud ; Stolz, W.
Author_Institution :
Nonlinear Control Strategies, Tucson
Abstract :
A 1178 nm optically-pumped VECSEL sub-cavity (active mirror) consisting of a resonant periodic gain stack of 10 highly-strained InGaAs QWs grown on a 25-repeat passive DBR mirror was designed. This is to allow the rapid shift of the gain peak with increasing temperature and slower shift of the sub-cavity resonance. The calculated heat generated within the RPG stack due to the 808 nm pump laser can be determined accurately from gain databases incorporated in our 3D optical/thermal modeling of the device. PL measurements on the final wafer showed that the growth was accurate within the design specifications and a single sample was cleaved and processed.
Keywords :
III-V semiconductors; distributed Bragg reflectors; gallium arsenide; indium compounds; quantum well lasers; semiconductor quantum wells; surface emitting lasers; 3D optical/thermal modeling; InGaAs; optically-pumped VECSEL sub-cavity; passive DBR mirror; photoluminescence; resonant periodic gain stack; sub-cavity resonance; wavelength 1178 nm; Distributed Bragg reflectors; Heat pumps; Indium gallium arsenide; Laser excitation; Laser modes; Mirrors; Optical design; Optical pumping; Resonance; Temperature;
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.2007.4385938
