The paper reviews the recent advances on RIN transfer mitigation techniques used in distributed Raman amplified long-haul coherent transmission systems. The use of a broadband first order pump in substantial pump to signal RIN transfer mitigation has been demonstrated experimentally in both bidirectional and backward only pumping schemes. The generation process of a novel broadband, low RIN and incoherent pump is also reported in detail. In a 10×120 Gb/s DP-QPSK WDM transmission system, our proposed pumping schemes shows maximum transmission reach up to 8332 km and significant reach extensions compared with conventional low RIN and narrowband Raman pump sources.
|Title of host publication||2018 20th International Conference on Transparent Optical Networks (ICTON)|
|Publication status||Published - 27 Sept 2018|
|Name||2018 20th International Conference on Transparent Optical Networks (ICTON)|
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RIN Transfer Mitigation Technique Using Broadband Incoherent Pump in Distributed Raman Amplified Transmission Systems