期刊
OPTICS EXPRESS
卷 15, 期 18, 页码 11126-11132出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.15.011126
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We report on highly efficient four-wave optical parametric amplification in a water cell pumped by an elliptically shaped, ultrashort pulsed laser beam under non-collinear phase-matching configuration. Energy conversion from pump to parametric waves as high as 25 % is obtained owing to the achievement of 1-dimensional spatial-soliton regime, which guarantees high intensity over a large interaction length and ensures high beam quality. (c) 2007 Optical Society of America.
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