OPTICAL DQPSK RECEIVER
PROBLEM TO BE SOLVED: To provide a DQPSK (Differential Quaternary Phase Shift Keying) optical receiver capable of suppressing a phase error even when an offset is present in a multiplier.SOLUTION: The optical DQPSK receiver includes: a first branch and a second branch provided with a delay interfero...
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| Format: | Patent |
| Sprache: | eng |
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