NDLI: Optimum configuration for cascaded fiber amplifiers in attenuation limited transmission systems

Content Provider	IEEE Xplore Digital Library
Author	Wannenmacher, S. Bauer, G.
Copyright Year	1983
Abstract	Fiber amplifiers play an important part in optical transmission systems to overcome the impact of attenuation. Together with the transmitter and receiver the positions of amplifiers on the optical path as well as the design of the amplifiers itself determine the bit error probability of the digital communication link. We present a simple method how to derive the optimum configuration for an optical transmission link with cascaded fiber amplifiers for an attenuation limited system. The bit error probability is calculated in dependence of the positions of the line amplifiers and the lengths of the doped fibers for systems with and without booster and optical preamplifier. In a first step we search the optimum configuration by numerical minimization of the bit error probability for a given transmission length, transmitter power and optical receiver. We have found a very simple rule how to determine the lengths of the transmission fibers and the doped fibers of the amplifiers for the minimum bit error probability when the length of the first transmission fiber is given. Therefore, the search for the optimum configuration reduces to the search of the appropriate length of the first transmission fiber which results in an enormous reduction of computing effort. We have investigated the effect on the bit error probability when one deviates from the optimum configuration. For the case, when the transmission length is reduced me have found that the bit error probability decreases always, when the lengths of the single transmission fibers are cut.
Sponsorship	IEEE Lasers and Electro-Optics Society Optical Society of America
Starting Page	509
Ending Page	514
Page Count	6
File Size	195831
File Format	PDF
ISSN	07338724
Volume Number	16
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1998-04-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Attenuation Optical attenuators Optical receivers Optical transmitters Error probability Optical fiber amplifiers Semiconductor optical amplifiers Doped fiber amplifiers Stimulated emission Optical fiber communication
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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