Acta Optica Sinica, Volume. 39, Issue 10, 1006004(2019)

Gain-Equalized Remotely Pumped Few-Mode Fiber Amplifier

Zhenzhen Zhang1, Cheng Guo1, Yichi Zhang2, Cheng Du2, Liang Cui1, and Xiaoying Li1、*
Author Affiliations
  • 1Key Laboratory of Opto-Electronic Information Technology of the Ministry of Education, School of Precision Instruments & Opto-Electronics Engineering, Tianjin University, Tianjin 300072, China;
  • 2Fiberhome & Fujikura Optics Fiber Co. Ltd., Wuhan, Hubei 430074, China;
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    Figures & Tables(6)
    Schematic of forward remotely pumped few-mode fiber amplifier with two-signal mode transmission
    Experimental setup of remotely pumped few-mode fiber amplifier
    Images of modal intensities for LP01 and LP11 modes after few-mode fiber Raman amplification and FM-EDF amplification. (a) Few-mode fiber Raman amplification; (b) FM-EDF amplification
    Contours of equivalent on-off gain as a function of FM-EDF length and signal wavelength. (a) LP01 mode; (b) LP11 mode
    On-off gain in few-mode fiber Raman amplification and equivalent on-off gain in remotely pumped few-mode fiber amplification at the wavelength range of 1530-1605 nm
    • Table 1. Intensity overlap integral between 1480 nm pump mode and 1550 nm signal mode in the ultra-low-loss passive fiber109 m-2

      View table

      Table 1. Intensity overlap integral between 1480 nm pump mode and 1550 nm signal mode in the ultra-low-loss passive fiber109 m-2

      Intensity overlap integralLP01_1480LP11_1480
      LP01_15506.323.90
      LP11_15504.034.09
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    Zhenzhen Zhang, Cheng Guo, Yichi Zhang, Cheng Du, Liang Cui, Xiaoying Li. Gain-Equalized Remotely Pumped Few-Mode Fiber Amplifier[J]. Acta Optica Sinica, 2019, 39(10): 1006004

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Apr. 4, 2019

    Accepted: Jun. 24, 2019

    Published Online: Oct. 9, 2019

    The Author Email: Li Xiaoying (xiaoyingli@tju.edu.cn)

    DOI:10.3788/AOS201939.1006004

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