Single lobe operation of a 40-element laser array in an external ring laser cavity
- 21 September 1987
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 51 (12), 871-873
- https://doi.org/10.1063/1.98839
Abstract
Single lobe operation of a 40-element GaAlAs gain guided coupled stripe array emitting 500 mW cw is obtained in an external ring laser cavity. The cavity arrangement is equivalent to self-injection locking of the array by its own output, which is first spatially filtered by a single mode fiber. Diffraction-limited lobe width of 0.13° and single mode operation are demonstrated with a 90 mW single mode fiber output.Keywords
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