Ultrafast all-optical clock recovery based on phase-only linear optical filtering

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Abstract

We report on a novel, efficient technique for all-optical clock recovery from RZ-OOK data signals based on spectral phase-only (all-pass) optical filtering. This technique significantly enhances both the recovered optical clock quality and energy efficiency in comparison with conventional amplitude optical filtering approaches using a Fabry-Perot filter. The proposed concept is validated through recovery of the optical clock from a 640 Gbit/s RZ-OOK data signal using a commercial linear optical waveshaper. (C) 2014 Optical Society of America
Original languageEnglish
JournalOptics Letters
Volume39
Issue number9
Pages (from-to)2815-2818
Number of pages4
ISSN0146-9592
DOIs
Publication statusPublished - 2014

Keywords

  • OPTICS
  • Atomic clocks
  • Energy efficiency
  • Optical variables measurement
  • All pass
  • All-optical clock recovery
  • Data signals
  • Fabry-Perot filters
  • Linear optical
  • Optical clocks
  • Optical filtering
  • Ultra-fast
  • Optical filters

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