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A 90 degrees optical fiber hybrid for optimal signal power utilization.

Authors
  • Wang, Y
  • Leeb, W R
Type
Published Article
Journal
Applied optics
Publication Date
Oct 01, 1987
Volume
26
Issue
19
Pages
4181–4184
Identifiers
DOI: 10.1364/AO.26.004181
PMID: 20490206
Source
Medline
License
Unknown

Abstract

An optical 90 degrees hybrid comprising a single-mode fiber coupler and a polarization beam splitter was made at 0.82 microm. It relies on the phase retardation intentionally induced in one of the input fiber leads of the coupler. By properly choosing the transmission/coupling coefficient as well as the orientation of the polarization beam splitter following the coupler, optimum distribution of the available optical fields can be obtained in a Costas loop.

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