Tunable DFB semiconductor lasers with active feedback for frequency stability

Bradley Bobbs; Armando Montalvo

doi:10.1117/12.764106

13 February 2008 Tunable DFB semiconductor lasers with active feedback for frequency stability

Bradley Bobbs, Armando Montalvo

Proceedings Volume 6876, High-Power Diode Laser Technology and Applications VI; 68761K (2008) https://doi.org/10.1117/12.764106
Event: Lasers and Applications in Science and Engineering, 2008, San Jose, California, United States

Abstract

Operation and performance are described for tunable 50mW distributed feedback semiconductor laser modules with feedback frequency stabilization. Frequency stability resulting in average phase noise reduction of over 35 dB is achieved, comparable to the performance of single-frequency fiber lasers, but with tunability and greatly reduced sensitivity to microphonic disturbance. The noise performance holds up well in and following harsh environments. These advantages make this laser module a good low-cost alternative to fiber lasers for applications involving interferometric sensors and interferometric measurement techniques, such as seismic signal detection for hydrocarbon exploration and earth movement analysis, underwater acoustic signal sensing, perimeter security, intrusion detection, and others currently being developed.

Citation Download Citation

Bradley Bobbs and Armando Montalvo "Tunable DFB semiconductor lasers with active feedback for frequency stability", Proc. SPIE 6876, High-Power Diode Laser Technology and Applications VI, 68761K (13 February 2008); https://doi.org/10.1117/12.764106

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