| 摘要 |
Method and apparatus for demodulating one or more channels of an optical differential phase shift keyed (DPSK) signal with a symbol rate of SR using an athermal optical delay interferometer with a free spectral range (FSR) of 50GHz / 2 N , and (0.8 x SR) < FSR < (1.3 x SR), where N = 0, 1, 2....
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