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Optical Engineering

Laser Diode Polarization Beam Combiners In Optical Communication Systems
Author(s): P. L. Fuhr
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Paper Abstract

Free-space optical communication systems using laser diode transmitters exhibit data rate limitations imposed by the diode's relatively low average output power. Incoherent power combiners represent a viable method for circumventing this limitation. A polarization beam combiner is described, and overall performance is analyzed in terms of signal extinction ratio and total transmitted power. It is shown that in such a combiner it is possible to increase the total transmitted on-axis far-field intensity, but the signal extinction ratio remains constant. The combiner system's true performance is calculated using polarization and power data for different types of laser diodes.

Paper Details

Date Published: 1 February 1986
PDF: 5 pages
Opt. Eng. 25(2) 252309 doi: 10.1117/12.7973821
Published in: Optical Engineering Volume 25, Issue 2
Show Author Affiliations
P. L. Fuhr, NASA/Goddard Space Flight Center (United States)


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