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Opt Lett. 2009 Mar 1;34(5):608-10.

High-gain photonic crystal fiber regenerative amplifier.

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1
NIF and Photon Science Directorate, Lawrence Livermore National Laboratory, Livermore, CA 94551, USA. sridharan1@llnl.gov

Abstract

We have demonstrated a photonic crystal fiber-based regenerative amplifier at 1.078 microm. The input signal pulse energy is 20 pJ in a 12 ns pulse at a 3 kHz repetition rate. At 8.6 W of input pump power, the amplified output pulse energy is 157 microJ, yielding a gain of 69 dB. To our knowledge, this is the highest gain achieved in a fiber-based regenerative amplifier to date at any wavelength.

PMID:
19252567
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