Performance optimization of EDFA–Raman hybrid optical amplifier using genetic algorithm

Performance optimization of EDFA–Raman hybrid optical amplifier using genetic algorithm

For the first time, a novel net gain analytical model of EDFA–Raman hybrid optical amplifier (HOA) is designed and optimized the various parameters using genetic algorithm. Our method has shown to be robust in the simultaneous analysis of multiple parameters, such as Raman length, EDFA length and it...

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Veröffentlicht in:Optics and laser technology 2015-05, Vol.68, p.89-95
Hauptverfasser: Singh, Simranjit, Kaler, R.S.
Format: Artikel
Sprache:eng
Schlagworte:
Amplification
Amplifiers
Channels
DWDM system
Gain
Genetic algorithm
Genetic algorithms
Hybrid optical amplifiers
Intervals
Mathematical models
Multiplexing
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Beschreibung
Zusammenfassung:For the first time, a novel net gain analytical model of EDFA–Raman hybrid optical amplifier (HOA) is designed and optimized the various parameters using genetic algorithm. Our method has shown to be robust in the simultaneous analysis of multiple parameters, such as Raman length, EDFA length and its pump powers, to obtained highest possible gain. The optimized HOA is further investigated and characterized on system level in the scenario of 100×10Gbps dense wavelength division multiplexed (DWDM) system with 25GHz interval. With an optimized HOA, a flat gain of >18dB is obtained from frequency region 187 to 189.5THz with a gain variation of less than 1.35dB without using any gain flattened technique. The obtained noise figure is also the lowest value (
ISSN:0030-3992
1879-2545
DOI:10.1016/j.optlastec.2014.10.011