Overmoded fibre for multiport coherent detection

R. E. Epwor th, A. R.L. Travis, I. H. White

Research output: Contribution to journalArticle

Abstract

Combining appropriate zero-order and first-order fields in an overmoded optical fibre, produces an offset intensity distribution whose radial position varies with their relative phase and polarization. This may be used to achieve phase (or polarization) diversity detection in a coherent optical receiver, by detection of this intensity distribution on a four segment photodetector. In-phase and Quadrature signals (or orthogonally polarized signals) are produced from each diametrically opposed pair of photodiode segments.

Original languageEnglish
Pages (from-to)74-84
Number of pages11
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume734
DOIs
Publication statusPublished - 17 Sep 1987

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

Overmoded fibre for multiport coherent detection. / Epwor th, R. E.; Travis, A. R.L.; White, I. H.

In: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 734, 17.09.1987, p. 74-84.

Research output: Contribution to journalArticle

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