WAVELENGTH LOCKING AND MULTIPLEXING OF HIGH-POWER SEMICONDUCTOR LASERS
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United States of America Patent
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Issued Date -
Apr 28, 2016
app pub date -
Oct 24, 2014
filing date -
Oct 24, 2014
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Abandoned
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Abstract
The disclosure relates to wavelength stabilization and wavelength multiplexing of multiple high-power multi-mode semiconductor lasers. The lasers are wavelength-stabilized in free space using multi-peak output reflectors to wavelength-lock their output at different reflection wavelength in dependence on operating conditions, to reduce output reflectivity required for locking and increase output power. Selecting output reflectors having different non-overlapping sets of reflectivity peaks for different lasers or groups of lasers enables combining their output by wavelength multiplexing.
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