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Proceedings Paper

90 degree optical hybrid for coherent receivers
Author(s): Reiner B. Garreis
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Paper Abstract

The power losses and noise of the present 90-deg hybrid optical coherent receiver are minimized through the use of a six-port configuration in which channel balancing is furnished by half-wave plates. The 90-deg shift is introduced between orthogonally polarized beam components by a quarter-wave plate, and the output ports are phase-shifted by 180 deg through the sole use of the half-wave plates and polarizing beam splitters.

Paper Details

Date Published: 1 May 1991
PDF: 10 pages
Proc. SPIE 1522, Optical Space Communication II, (1 May 1991); doi: 10.1117/12.46097
Show Author Affiliations
Reiner B. Garreis, Carl Zeiss (Germany)

Published in SPIE Proceedings Vol. 1522:
Optical Space Communication II
Juergen Franz, Editor(s)

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