4 January 2008 All-optical wavelength converter based on self-phase modulation in highly nonlinear photonic crystal fiber
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A simple architecture of all-optical wavelength conversion in a highly nonlinear bismuth oxide-based photonic crystal fiber (PCF) is proposed, which consists of an erbium-doped fiber amplifier, a polarization controller, a nonlinear medium PCF, two tunable fiber Fabry-Perot filters and an optical isolator. Self-phase modulation is utilized to induce spectral broadening for all-optical wavelength conversion. The desired dispersion properties can be tailored by the parameters of bismuth oxide-based PCF microstructure. The propagation loss at 1550nm is about 0.8dB/m. The nonlinear coefficient is expected to be 1100W-1km-1 by using bismuth oxide-based glass and reducing the effective core area. The mode-field diameter of PCF is estimated to be 1.98μm and the predicted effective core area is 3.3μm2. The intermediate high numerical aperture fibers between bismuth oxide-based PCF and single-mode fibers are considered to reduce the splicing loss. The obtained results show that the all-optical wavelength converter has a potential of high conversion efficiency, wide conversion bandwidth, ultrafast response time, compact configuration and low insertion loss etc.
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Huangping Yan, Huangping Yan, Yuanqing Huang, Yuanqing Huang, Zihua Weng, Zihua Weng, Yiju Wang, Yiju Wang, Ruifang Ye, Ruifang Ye, Zhaoxi Wu, Zhaoxi Wu, Jin Wan, Jin Wan, } "All-optical wavelength converter based on self-phase modulation in highly nonlinear photonic crystal fiber", Proc. SPIE 6837, Information Optics and Photonics Technologies II, 683714 (4 January 2008); doi: 10.1117/12.756337; https://doi.org/10.1117/12.756337

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