All-optical wavelength converter with recirculating configuration based on self-phase modulation in a highly nonlinear photonic crystal fiber

Huangping Yan; Yuanqing Huang; Zihua Weng; Zhaoxi Wu; Yiju Wang; Jin Wan; Ruifang Ye

doi:10.1117/12.790876

22 February 2008 All-optical wavelength converter with recirculating configuration based on self-phase modulation in a highly nonlinear photonic crystal fiber

Huangping Yan, Yuanqing Huang, Zihua Weng, Zhaoxi Wu, Yiju Wang, Jin Wan, Ruifang Ye

Author Affiliations +

Proceedings Volume 6622, International Symposium on Photoelectronic Detection and Imaging 2007: Laser, Ultraviolet, and Terahertz Technology; 66221C (2008) https://doi.org/10.1117/12.790876
Event: International Symposium on Photoelectronic Detection and Imaging: Technology and Applications 2007, 2007, Beijing, China

Abstract

A novel scheme is proposed to achieve all-optical SPM-based wavelength conversion in a bismuth oxide-based highly nonlinear photonic crystal fiber. It consists of erbium-doped fiber amplifier, optical circulator, Fiber Fabry-Perot filters, photonic crystal fiber and fiber Bragg grating. Owing to SPM, a recirculating configuration is designed to induce the further spectral broadening and wavelength conversion is achieved with a tunable Fiber Fabry-Perot filter. The simulation results of bismuth oxide-based photonic crystal fiber indicate that the effective index of the fundamental mode increases monotonically with the increase in the hole pitch, or the decrease in the ratio of the hole diameter to the hole pitch. The mode effective area steadily increases with the hole pitch. The nonlinear coefficient, which is beneficial to shorten the fiber length and reduce the required optical power, is expected to be 1100W^-1km^-1 by using bismuth oxide-based glass with high nonlinear refractive index and reducing the effective core area with holey microstructure. The mode-field diameter of bismuth oxide-based is estimated to be 1.98μm and the predicted small effective core area is 3.3μm². The propagation loss at 1550nm is about 0.8dB/m. The obtained results show that SPM-based PCF-WC has a potential of wide conversion bandwidth, high response time, simple configuration and low insertion loss etc.

Citation Download Citation

Huangping Yan, Yuanqing Huang, Zihua Weng, Zhaoxi Wu, Yiju Wang, Jin Wan, and Ruifang Ye "All-optical wavelength converter with recirculating configuration based on self-phase modulation in a highly nonlinear photonic crystal fiber", Proc. SPIE 6622, International Symposium on Photoelectronic Detection and Imaging 2007: Laser, Ultraviolet, and Terahertz Technology, 66221C (22 February 2008); https://doi.org/10.1117/12.790876

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KEYWORDS

Bismuth

Optical filters

Fabry–Perot interferometers

Refractive index

Fiber Bragg gratings

Scanning probe microscopy

Glasses

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