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Optical Engineering

MATLAB Simulink modeling of Raman hybrid amplification for long-distance hut-skipped undersea optical fiber transmission systems
Author(s): Le Nguyen Binh
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Paper Abstract

We present a modeling of the Raman amplification of various types of fibers employed for transmission and dispersion compensation in cascaded optical amplified transmission systems including (1) the physical properties and operational characteristics and (2) its implementation in the lightwave-modulated envelop propagation equation for transmission of 40 Gbits/s signals in mutliplexed wavelength optical systems. We demonstrate, by simulation using MATLAB Simulink, the integration of the Raman amplification gain and noise into the transmission system by (1) numerical techniques to solve these design parameters for a single channel bidirectionally pumped system operating in the C-band (1525 to 1565 nm) range at 1550 nm; (2) evaluations of the amplifier parameters such as the gain, the noise figure, and the dispersion factor of distributed and discrete Raman configurations. We design an optimum condition for hut-skipped undersea long-haul transmission using a hybrid combination of Raman and Er-doped fiber amplifers. The long-haul numerical solution is adapted from the average power to a Gaussian pulse operating at 40 Gbits/s and the propagation distributed along the fiber for integration into differential phase shift keying modulation format optical signals using models based on MATLAB Simulink.

Paper Details

Date Published: 1 October 2009
PDF: 12 pages
Opt. Eng. 48(10) 105005 doi: 10.1117/1.3253296
Published in: Optical Engineering Volume 48, Issue 10
Show Author Affiliations
Le Nguyen Binh, Monash Univ. (Australia)

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