Error-Free OTDM Demultiplexer Using the Supercontinuum Spectrum-Slicing Induced Clock Signal

Huan Feng, Wei Zhao, Shuangyi Yan, Xiaoping Xie

Research output: Contribution to journalArticle (Academic Journal)peer-review


We experimentally demonstrate an 80-Gb/s optical time-division multiplexing (OTDM) demultiplexing system based on the cross-phase modulation (XPM) effect in high-nonlinearity fibers. The message carried by OTDM signal is loaded onto the probe signal by sampling the OTDM packet with a 10-GHz stable and controllable clock pulse train. The clock signal with textasciitildexa0;11xa0;ps pulse width is achieved by employing supercontinuum spectrum-slicing technique, which is distinct from that based on mode-locked lasers. The demultiplexed signal is obtained by filtering out the XPM-induced spectral sidebands of the probe signal. The OTDM demultiplexer based on this novel technique shows excellent performances and contributes to a bit error rate of as low as 10−9.
Original languageEnglish
Pages (from-to)4327-4330
Number of pages4
JournalOptics Communications
Issue number19
Publication statusPublished - 1 Sep 2011


  • Cross-phase modulation
  • OTDM demultiplexing
  • Self-phase modulation
  • Super-continuum spectrum

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