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Information Capacity of Nonlinear Wavelength Division Multiplexing Fiber Optic Transmission Line

✍ Scribed by Jason B. Stark; Partha Mitra; Anirvan Sengupta

Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
118 KB
Volume
7
Category
Article
ISSN
1068-5200

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✦ Synopsis

We report the first determination of the impact of optical nonlinearities onthe information capacity of a fiber optic transmission channel. By modeling interchannel interference in a nonlinear wavelength division multiplexing transmission system as multiplicative Gaussian noise, we show that the information capacity is reduced below the Shannon capacity of the linear communications channel. For systems of practical interest, this imposes a fundamental limitation on the spectral efficiency of optical data transmission.

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