Experimental study of gain characteristics of high power photonic crystal fiber amplifier

zhao zhen-yu; duan kai-liang; wang jian-ming; zhao wei; wang yi-shan

Volume 20 Issue 12

Dec. 2008

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zhang yunwang, sun jingyuan, chen jing, et al. Control of surface quality of sub-millimeter cylindrical gold targets[J]. High Power Laser and Particle Beams, 2010, 22.

Citation:

zhao zhen-yu, duan kai-liang, wang jian-ming, et al. Experimental study of gain characteristics of high power photonic crystal fiber amplifier[J]. High Power Laser and Particle Beams, 2008, 20.

zhang yunwang, sun jingyuan, chen jing, et al. Control of surface quality of sub-millimeter cylindrical gold targets[J]. High Power Laser and Particle Beams, 2010, 22.

Citation:

zhao zhen-yu, duan kai-liang, wang jian-ming, et al. Experimental study of gain characteristics of high power photonic crystal fiber amplifier[J]. High Power Laser and Particle Beams, 2008, 20.

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Experimental study of gain characteristics of high power photonic crystal fiber amplifier

1.
State Key Laboratory of Transient Optics and Photonics,Xi’an Institute of Optics and Precision Mechanics,Chinese Academy of Sciences,Xi’an 710119,China;
2.
Graduate University of Chinese Academy of Sciences,Beijing 100049,China

Publish Date: 2008-12-15

Abstract

Abstract

The gain characterization of photonic crystal fiber amplifier is theoretically and experimentally studied by using double-side pumped technique. The gain curves for different pumping power and different signal lights are obtained experimentally. When the power of the probe light is 6 W and the total pump power is 150.2 W, the output power, up to 72 W and the slope efficiency 60%, have been achieved eventually with double-side pumped. It is found in the experiment that when the total pump power is increased over a certain value, the parasitic oscillation and the self-pulsation are observed in the amplifier, because of the resonant cavity caused by the surface reflection of fiber and nonlinear effect, and in turn this degrades the system performance.
- yb-doped fiber,
- photonic crystal fiber,
- fiber laser,
- fiber amplifier,
- double-side pumped,
- gain

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