A high-sensitivity coherent receiver without frequency recovery enabled by doubly differential QPSK

Tingting Zhang,Christian Sánchez,Stylianos Sygletos,Lida Sadeghioon,Mary McCarthy,Andrew D. Ellis

A high-sensitivity coherent receiver without frequency recovery enabled by doubly differential QPSK

2017

Tingting Zhang
Christian Sánchez
Stylianos Sygletos
Lida Sadeghioon
Mary McCarthy
Andrew D. Ellis

A high-sensitivity coherent receiver with reduced complexity and high frequency offset tolerance was numerically demonstrated using doubly differential QPSK (DDQPSK). The sensitivity for the 134-Gb/s coherent system transmission over 80-km SMF was below −27.5 dBm.

Keywords:

Optics
Optoelectronics
Polarization-division multiplexing
Signal processing
Phase (waves)
Physics
dBm
Frequency offset
Phase-shift keying
differential quadrature phase shift keying

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