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High-gain photonic crystal fiber regenerative amplifier

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Abstract

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

© 2009 Optical Society of America

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