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Highly Efficient Wavelength-Tunable Anti-Stokes Signal Conversion of Femtosecond Pulses in the Fundamental Mode of Photonic Crystal Fiber

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6 Author(s)
Jinhui Yuan ; Key Lab. of Inf. Photonics & Opt. Commun., Beijing Univ. of Posts & Telecommun., Beijing, China ; Xinzhu Sang ; Chongxiu Yu ; Shuguang Li
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With the photonic crystal fiber (PCF) with the zero dispersion wavelength of fundamental mode around 830 nm designed and fabricated in our lab, the anti-Stokes signals from 603 to 535 nm are efficiently generated in the fundamental mode by Ti:sapphire laser with central wavelength of 820 nm and pulse width of 150 fs. When the pump power increases from 80 to 320 mW in a separation of 40 mW, the output powers of anti-Stokes signals increase 6 times, and the maximum power ratio of anti-Stokes signal at 535 nm to the residual pump component is estimated as 12:1. The maximum output power ratio of the anti-Stokes signal at 535 nm and the Stokes component at 865 nm is about 2:1. The maximum conversion efficiency of P a/P p0 in experiment can achieve up to 42%, and the possible reasons for discrepancy between experimental and theoretical results are analyzed. Moreover, the influences of other factors on experiment process are elementarily discussed.

Published in:

Quantum Electronics, IEEE Journal of  (Volume:46 ,  Issue: 5 )

Date of Publication:

May 2010

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