Abstract
In this paper, we have investigated the impact of proposed hybrid optical amplifiers (HOAs) in terms of acceptable values of gain, noise figure and OSNR, respectively. Combinations of RAMAN–EDFA HOA, EDFA–SOA HOA and EDFA have arranged in three segments to maintain the best rating for long-haul 400 × 10 Gbps super-dense wavelength division multiplexing (SD-WDM) optical communication system with channel spacing of 6.25 GHz. Flat gain of 25 dB with least variations of 1.5 dB has archived. Also, noise figure of 3.2 dB has recorded without using any cost influence techniques.
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