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Chinese Optics Letters

Chinese Optics Letters


  • Editor: Zhizhan Xu
  • Vol. 11, Iss. 9 — Sep. 1, 2013
  • pp: 090603–

Effective SNR improvement using a high-power pulsed pump in an ytterbium-doped fiber amplifier

Jing Liu, Lixin Xu, Anting Wang, Chun Gu, Qing Liu, Ankun Wei, Teng Xu, and Hai Ming  »View Author Affiliations

Chinese Optics Letters, Vol. 11, Issue 9, pp. 090603- (2013)

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A high-power pulsed pump method is proposed to obtain a high-energy output with an improved signaltonoise ratio (SNR) during pulse amplification. Based on numerical analysis, the ytterbium-doped fiber amplifiers are compared under different pumping conditions. At the same signal gain, the output using the high-power pulsed pump shows great SNR improvement and reduced output signal distortion, compared with a continuous-wave pump and a low-power pulsed pump. By adjusting the pump parameters, the amplifier can achieve the optimal output SNR without sacrificing the signal gain. We believe that the high-power pulsed pump scheme is very suitable for the high-energy nanosecond pulse amplification, which has a high SNR requirement.

© 2013 Chinese Optics Letters

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.4480) Lasers and laser optics : Optical amplifiers

ToC Category:
Fiber Optics and Optical Communications

Jing Liu, Lixin Xu, Anting Wang, Chun Gu, Qing Liu, Ankun Wei, Teng Xu, and Hai Ming, "Effective SNR improvement using a high-power pulsed pump in an ytterbium-doped fiber amplifier," Chin. Opt. Lett. 11, 090603- (2013)

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