Distributed microwave filter realisation providing close to optimum performance for multigigabit optical communications

PM Lane, LR Watkins, JJ O'Reilly

Research output: Contribution to journalArticle

4 Citations (Scopus)


A rigorous technique for the design of postdetection filters, previously applied to low-bit-rate systems, is extended to allow for practical implementation for very high bit rates. This has been accomplished by realising the filters as microstrip structures. Two alternative optimisation techniques are explored, one based on the optimisation of an ideal-transmission-line structure followed by the application of CAD tools, and the other based on the direct optimisation of microstrip lines. Owing to the shortcomings of the public domain microstrip models, the approach based on ideal transmission lines is identified as most appropriate. Simulated system results are presented to illustrate the performance benefits that this approach can offer to very high-bit-rate optical communication systems.
Original languageEnglish
Article number4231850
Pages (from-to)280-287
Number of pages8
JournalIEE Proceedings J (Optoelectronics)
Issue number4
Publication statusPublished - Aug 1992
Externally publishedYes


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