DAC enabled spectrally efficient CP-QPSK at 28Gbaud

T Duthel,Christian Raabe,P Hermann,James Whiteaway,J C Geyer,C R S Fludger,T Kupfer

Optical Communications（2012）

引用 28|浏览14

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摘要

We present channel spacing measurements on a 28Gbaud CP-QPSK transmitter applying Nyquist-like signal shaping without using optical filters. This is enabled by a single sample per symbol digital-to-analog converter in combination with strong analog electrical filtering. OSNR performance is evaluated against a commercial real-time receiver.

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关键词

digital-analogue conversion,optical transmitters,quadrature phase shift keying,cp-qpsk transmitter,dac,nyquist-like signal shaping,osnr performance,analog electrical filtering,channel spacing measurements,digital-to-analog converter,optical filters,real-time receiver,spectrally efficient cp-qpsk

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