Anti-Stokes Frequency Shift and Evolution in Polarization-Maintaining Photonic Crystal Fiber with Two-Zero Dispersion Wavelengths |
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| Authors: | WANG He-Lin LENG Yu-Xin XU Zhi-Zhan QI Yi-Hong HU Ming-Lie WANGChing-Yue |
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| Affiliation: | State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800Ultrafast laser Laboratory, Key Laboratory of Optoelectronic Information and Technical Science, College of Precision Instrument and Optoelectronic Engineering, Tianjin University, Tianjin 300072 |
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| Abstract: | Using the tunable pump pulses with about 100fs pulse duration and 1064nm central wavelength; the polarization-, wavelength- and power-dependent anti-Stokes lines are generated and modulated simultaneously in a polarization-maintaining photonic crystal fiber (PM-PCF) with two zero-dispersion wavelengths. By accurately controlling the polarization directions, the wavelength and the power of the pump pulse in the fiber anomalous region close to the second zero-dispersion wavelength of the PM-PCF, the output anti-Stokes pulse spectra can be tuned between 563nm and 603nm, which is in good agreement with the theoretical simulation. The color conversion of the mode image from yellow to orange is also observed with the different polarization pump pulses. These results can be attributed to the combined interaction between the fiber birefringence (including linear- and nonlinear-birefringence) and dispersion, and are attributed to phase-matching parametric four-wave mixing. |
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| Keywords: | 42.81.-i 42.81.Dp |
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