| 摘要 |
The present application discloses a laser device and includes at least one laser system having at least one two emitters therein, each emitter configured to output a laser output having a first wavelength spectrum, at least one grating device having at least two grating regions formed thereon, each grating region configured to receive the laser output from one of the emitters and provide an optical feedback signal thereto, each grating region configured to output an output signal having at least a second wavelength spectrum.
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