Pulse-time modulation for subcarrier-multiplexed systems

Vincent Chan, Rasitha Wickramasinghe, Zabih Ghassemlooy, Chao Lu

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review


Subcarrier multiplexing (SCM) is an attractive technique to deliver broadband services over optical fibers. The existing SCM systems employ an analogous signal for optical transmission and their performance is limited. Pulse time modulation (PTM) is an intermediate technique which offers high performance at a low cost in optical transmission systems. In this paper we present two popular PTM techniques suitable for SCM systems. Theoretical predictions and practical measurements have been used to evaluate system performance. The technique employed has improved the dynamic range and the optical power budget, compared to conventional systems.
Original languageEnglish
Title of host publicationAll-Optical Communication Systems: Architecture, Control, and Network Issues
EditorsRobert Cryan, John Senior
ISBN (Print)9780819419781
Publication statusPublished - 1 Dec 1995


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