Study on gain and noise of TDM-pumped fiber Raman amplifier

Jiawei Liang; Jiawei Zhang; Wen Chen; Huaqiu Deng

doi:10.1117/12.2592236

26 January 2021 Study on gain and noise of TDM-pumped fiber Raman amplifier

Jiawei Liang, Jiawei Zhang, Wen Chen, Huaqiu Deng

Proceedings Volume 11767, 2020 International Conference on Optoelectronic Materials and Devices; 1176714 (2021) https://doi.org/10.1117/12.2592236
Event: 2020 International Conference on Optoelectronic Materials and Devices, 2020, Guangzhou, China

Abstract

The transmission of signal light and the noise accumulation in the fiber Raman amplifier (FRA) under 4-wavelength timedivision multiplexing (TDM) pumping is studied. The power variation of signal light has a certain periodicity which is related to the period of pumping. The shorter the pumping period is, the weaker the signal fluctuation is. Through the analysis of noise, it is found that amplified spontaneous emission (ASE) is the main source of the noise of FRA with TDMpumping. By comparing the TDM pump scheme with the continuous multi-wavelength pump scheme, it is found that the gain of the TDM pump scheme is higher than that of the continuous multi-wavelength pump scheme.

Citation Download Citation

Jiawei Liang, Jiawei Zhang, Wen Chen, and Huaqiu Deng "Study on gain and noise of TDM-pumped fiber Raman amplifier", Proc. SPIE 11767, 2020 International Conference on Optoelectronic Materials and Devices, 1176714 (26 January 2021); https://doi.org/10.1117/12.2592236

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