Study of nonlinearities in the transmission of a QAM signal in fibre-optic communication lines using different carrier pulses

We study the transmission of a quadrature amplitude modulation signal over a fibre-optic communication line for different carrier pulses forming a signal. It is shown that in using 'raised cosine' and 'root raised cosine' pulses, it is possible to further reduce the bit error rat...

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Bibliographic Details
Published in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2017-12, Vol.47 (12), p.1140-1143
Main Authors: Sidelnikov, O.S., Skidin, A.S., Fedoruk, M.P.
Format: Article
Language:English
Subjects:
Bit error rate
carrier pulses
CHARGE CARRIERS
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
COMMUNICATIONS
Fiber optics
FIBERS
MODULATION
nonlinear effects
Optical fibers
optical fibre
OPTICS
PULSES
Quadrature amplitude modulation
QUADRATURES
SIGNALS
TRANSMISSION
WDM signal
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Summary:We study the transmission of a quadrature amplitude modulation signal over a fibre-optic communication line for different carrier pulses forming a signal. It is shown that in using 'raised cosine' and 'root raised cosine' pulses, it is possible to further reduce the bit error rate by an order of magnitude with the help of a special modulation format.
ISSN:1063-7818
1468-4799
DOI:10.1070/QEL16537