DSP-Enhanced Differential Direct-Detection for DQPSK and m-ary DPSK

Conference: ECOC 2007 - 33rd European Conference and Exhibition of Optical Communication
09/16/2007 - 09/20/2007 at Berlin, Germany

Proceedings: ECOC 2007

Pages: 4Language: englishTyp: PDF

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Liu, Xiang (Bell Laboratories, Alcatel-Lucent, Holmdel, NJ 07733, USA)

We review the principle and progress of sampled self-coherent optical receiver based on differentialdirect- detection and digital-signal-processing, showing promise of improving receiver sensitivity, receiving multilevel DPSK formats, reconstructing signal field, and digital compensation of transmission impairments.