Simultaneous clock recovery and data regeneration using a nonlinear optical loop mirror as an all-optical mixer

Ian Phillips, P.N. Kean, Nick Doran, Ian Bennion, David A. Pattison, Andrew Ellis

Research output: Chapter in Book/Published conference outputConference publication


High-speed optical clock recovery, demultiplexing and data regeneration will be integral parts of any future photonic network based on high bit-rate OTDM. Much research has been conducted on devices that perform these functions, however to date each process has been demonstrated independently. A very promising method of all-optical switching is that of a semiconductor optical amplifier-based nonlinear optical loop mirror (SOA-NOLM). This has various advantages compared with the standard fiber NOLM, most notably low switching power, compact size and stability. We use the SOA-NOLM as an all-optical mixer in a classical phase-locked loop arrangement to achieve optical clock recovery, while at the same time achieving data regeneration in a single compact device
Original languageEnglish
Title of host publicationConference on Optical Fiber Communication. OFC 97
EditorsA.E. Willner, C.R. Menyuk
Place of PublicationWashington DC, USA
Number of pages2
ISBN (Print)1557524807
Publication statusPublished - Feb 1997
EventConference on Optical Fiber Communication. OFC 97 - Dallas, Texas, United States
Duration: 16 Feb 199721 Feb 1997

Publication series

NameSystem Technologies
PublisherInstitute of Electrical and Electronics Engineers (IEEE)


ConferenceConference on Optical Fiber Communication. OFC 97
Country/TerritoryUnited States
CityDallas, Texas

Bibliographical note

Conference on Optical Fibre Communications (OFC'97), Dallas, TX (US), 16-21 Feb 1997.


  • all-optical mixer
  • all-optical sampler
  • all-optical switching
  • compact size
  • data regeneration
  • demultiplexing
  • high bit-rate optical TDM
  • high-speed optical clock recovery
  • low switching power
  • nonlinear optical loop mirror
  • phase-locked loop arrangement
  • photonic network
  • semiconductor optical amplifier


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