Real-time bit error monitoring system (BEMS) for optical communication by use of high speed optical logic gates

K. K. Qureshi, L. Y. Chan, L. F.K. Lui, Ping Kong Alexander Wai, Hwa Yaw Tam

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review


A novel bit error monitoring system is realized all-optically using cascaded optical NOT and optical NOR gate operating at different thresholds. This scheme generates real time optical monitoring signal which indicates the positions and duration of bit and burst errors in 10 Gbit/s signal.
Original languageEnglish
Title of host publicationProceedings of the 6th Chinese Optoelectronics Symposium, COES 2003
Number of pages3
ISBN (Electronic)0780378873, 9780780378872
Publication statusPublished - 1 Jan 2003
Event6th Chinese Optoelectronics Symposium, COES 2003 - Hong Kong University of Science and Technology, Hong Kong, Hong Kong
Duration: 12 Sep 200314 Sep 2003


Conference6th Chinese Optoelectronics Symposium, COES 2003
Country/TerritoryHong Kong
CityHong Kong


  • High speed optical techniques
  • Logic gates
  • Monitoring
  • Optical fiber communication
  • Optical fiber networks
  • Optical wavelength conversion
  • Photonics
  • Real time systems
  • Signal generators
  • Signal processing

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials

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