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Mitigation of Rayleigh crosstalk using noise suppression technique in 10-Gb/s REAM-SOA
Jong Sool Jeong1, Hyun-Soo Kim, Byung-Seok Choi
1Photonic/Wireless Convergence Components Department, ETRI, Yuseong, Daejeon, South Korea. js@etri.re.kr
Abstract:
We demonstrate a mitigation of Rayleigh back-scattering (RBS) impact in 10-Gb/s reflective electroabsorption modulator monolithically integrated with semiconductor optical amplifier (REAM-SOA). The technique is based on the intensity-noise suppression of the centralized incoherent seed-light, which enables smooth evolution of deployed DWDM applications. We exhibit the power penalty of less than 1 dB at the large RBS crosstalk value of about 8 dB when the optical power of seed-light is lowered about -10 dBm.
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