Undersea laser communication using polarization and wavelength modulation

We report a technique to increase the data rate of a free-space all-undersea laser communication link using polarization and wavelength modulation. Measurements were made at various background light levels to estimate the required power increase as a function of bits per pulse. Transmission measurem...

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Bibliographic Details
Published in:Applied optics (2004) 2014-04, Vol.53 (11), p.2283-2289
Main Authors: Poirier, Pete, Neuner, 3rd, Burton
Format: Article
Language:English
Subjects:
Attenuation
Laser communications
Lasers
Polarization
Simulation
Tubes
Undersea
Wavelength modulation
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Summary:We report a technique to increase the data rate of a free-space all-undersea laser communication link using polarization and wavelength modulation. Measurements were made at various background light levels to estimate the required power increase as a function of bits per pulse. Transmission measurements were made of laser light through a 2-m-long tube filled with a mixture of Maalox and water to simulate ocean-water conditions for several receiver field-of-view (FOV) angles. A degree of polarization greater than 98% was measured at FOVs up to 100 mrad at an attenuation of 14 extinction lengths.
ISSN:1559-128X
2155-3165
DOI:10.1364/AO.53.002283