Investigation of Dual-Pump FOPA Performance in a 4-Channel 40 Gbps WDM Transmission System

Sergejs Olonkins, Vladislavs Bickovs, Toms Salgals, Vjaceslavs Bobrovs, Girts Ivanovs

Abstract


Fiber-optical parametric amplifiers (FOPA) are positioned as the future leading technique for optical signal amplification. This type of amplifiers is highly appreciated due to their applications in all-optical signal processing. Signal amplification can be achieved using single-pump or dual-pump pumping schemes. Dual-pump FOPAs provide smoother gain over wider bandwidth than single-pump FOPAs, but it is harder to maintain high performance of dual-pump FOPAs due to the stimulated Raman scattering (SRS) induced energy transfer from one pump to another. In this paper the authors investigate the performance of a dual-pump FOPA under the influence of SRS in order to ensure higher gain using as low pump power as possible in a 4-channel 40 Gbps wavelength-division multiplexed transmission system.

DOI: http://dx.doi.org/10.5755/j01.eie.23.6.19699


Keywords


Fiber optical parametric amplifiers; four wave mixing; wavelength division multiplexing; stimulated Raman scattering.

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