Single longitudinal mode operation of semiconductor laser arrays with etalon feedback
Journal Article
·
· Appl. Phys. Lett.; (United States)
The multiple longitudinal mode output of high-power diode-laser arrays is converted into single mode with 97% efficiency by optical feedback from a thin (<200 ..mu..m thick) etalon external to the laser. The coupled cavities formed by addition of the etalon favor a single longitudinal mode. Single-mode operation is retained at 0.1 MHz pulsed rates. Both the near-field and the far-field patterns of the laser array remain nearly unchanged while the array operates in a single longitudinal mode.
- Research Organization:
- Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109
- OSTI ID:
- 6364108
- Journal Information:
- Appl. Phys. Lett.; (United States), Journal Name: Appl. Phys. Lett.; (United States) Vol. 51:4; ISSN APPLA
- Country of Publication:
- United States
- Language:
- English
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