Comparison of polarization handling methods in coherent optical systems

The authors compare three polarization handling methods in coherent optical systems. These methods are: endless polarization control, polarization diversity, and data-induced polarization switching. These methods are also compared with active, data-synchronous polarization switching. It is seen that...

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Bibliographic Details
Published in:Journal of lightwave technology 1991-10, Vol.9 (10), p.1353-1366
Main Authors: Noe, R., Rodler, H., Ebberg, A., Gaukel, G., Noll, B., Wittmann, J., Auracher, F.
Format: Article
Language:English
Subjects:
Applied sciences
Circuit properties
Clocks
Electric, optical and optoelectronic circuits
Electronics
Electronics packaging
Exact sciences and technology
Frequency shift keying
Miscellaneous
Optical and optoelectronic circuits
Optical fiber polarization
Optical losses
Optical modulation
Optical polarization
Optical receivers
Optical sensors
Research and development
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Summary:The authors compare three polarization handling methods in coherent optical systems. These methods are: endless polarization control, polarization diversity, and data-induced polarization switching. These methods are also compared with active, data-synchronous polarization switching. It is seen that endless polarization control is potentially the most powerful candidate, however, the choice of polarization control devices remain questionable. Polarization diversity is as versatile as polarization control and is potentially the fastest method; however, it yields lower receiver sensitivity. Endless control or a well-designed diversity receiver should be used for coherent trunk systems. Data-induced polarization switching is restricted to frequency-shift-keying (FSK) systems. It promises a loss span similar to that of diversity, but is far simpler, which makes it recommendable for FSK distribution systems.< >
ISSN:0733-8724
1558-2213
DOI:10.1109/50.90934