COHERENT RECEIVER
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United States of America Patent
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app pub date -
Mar 7, 2016
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Mar 9, 2015
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Abstract
The coherent receiver includes a housing, a first multi-mode interference device that includes a first local light input port and a first signal light input port, a second multi-mode interference device that includes a second local light input port and a second signal light input port, a first splitter, a first reflector, a second splitter, a second reflector, and a mounting area on an optical path between the first splitter and the firs local light input port, where the mount area mounts an attenuator for the signal light that attenuates a magnitude of a portion of the local light.
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