Title :
Narrow-linewidth high-power semiconductor-based laser module
Author :
Spiessberger, S. ; Schiemangk, M. ; Sahm, A. ; Wicht, A. ; Wenzel, H. ; Erbert, G. ; Tränkle, G.
Author_Institution :
Ferdinand-Braun-Inst. Leibniz, Forschungsverbund Berlin e.V., Berlin, Germany
Abstract :
The authors present a micro-integrated MOPA concept (footprint: 10 x 50 mm2) which uses a micro-isolator to suppress optical feedback. The oscillator is optimized for narrow linewidth operation and consists of a distributed Bragg reflector laser with a length of 4 mm (cavity: 3 mm, grating 1 mm). The reflectivity of the grating is estimated to be 60% and the front facet reflectivity is 30%. The amplifier consists of a 2 mm long ridge-waveguide pre-amplifier section and a 2 mm long tapered section.
Keywords :
diffraction gratings; laser cavity resonators; laser feedback; micro-optics; optical waveguides; ridge waveguides; semiconductor lasers; distance 2 mm; distance 4 mm; distributed Bragg reflector laser; grating reflectivity; high-power semiconductor-based laser module; laser cavity; master oscillator power amplifier; microintegrated MOPA concept; microisolator; narrow linewidth operation; optical feedback suppression; ridge-waveguide pre-amplifier; Laser modes; Laser noise; Optical feedback; Oscillators; Power amplifiers; Semiconductor lasers;
Conference_Titel :
Lasers and Electro-Optics Europe (CLEO EUROPE/EQEC), 2011 Conference on and 12th European Quantum Electronics Conference
Conference_Location :
Munich
Print_ISBN :
978-1-4577-0533-5
Electronic_ISBN :
Pending
DOI :
10.1109/CLEOE.2011.5942619
