US Patent 9780884 Optical receiver and optical axis alignment method thereof
Patent 9780884 was granted and assigned to Sumitomo Electric Industries on October, 2017 by the United States Patent and Trademark Office.
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An optical receiver comprises a package provided with an input window; a polarization-maintaining optical fiber fixable to the input window; a polarization beam splitter, disposed on the package, for inputting light outputted from the polarization-maintaining optical fiber and outputting first output light and second output light having respective polarization directions different from each other; a beam splitter, disposed on the package, for splitting the first output light; a first light-receiving element, optically coupled to the beam splitter, having two light-receiving parts corresponding to two kinds of the output light split by the beam splitter; and a second light-receiving element, disposed on the package, for receiving the second output light.
US Patent 09780884 Optical receiver and optical axis alignment method thereof US Patent 9780884 Optical receiver and optical axis alignment method thereof
US Patent 09780884 Optical receiver and optical axis alignment method thereof
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