MULTI-MODE LASER APPARATUS, OPTICAL AMPLIFIER, AND OPTICAL TRANSMIT MODULE
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United States of America
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Issued Date -
Feb 20, 2025
app pub date -
Nov 6, 2024
filing date -
Nov 6, 2024
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Abstract
This application provides a multi-mode laser apparatus which includes a multi-mode laser, a mode scrambler, a mode demultiplexer, and Y Bragg gratings. The multi-mode laser is configured to generate laser light including a plurality of modes. The mode scrambler is configured to: equalize power of laser light in different modes in the laser light having the plurality of modes, and output equalized laser light. The mode demultiplexer is configured to decompose the equalized laser light into M channels of laser light in different modes. X ports of the mode demultiplexer are configured to output X channels of laser light. Y ports of the mode demultiplexer are configured to output Y channels of laser light. The Y Bragg gratings are configured to reflect the Y channels of laser light. The mode scrambler is further configured to obtain excitation laser light based on the reflected Y channels of laser light.
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