Micro-ring resonator filter based on photonic crystal fiber

Miaomiao Shi; Feng Xu; Dashi Tao; Jing Liang; Xiaolong Shi; Wanqing Wu; Benli Yu

doi:10.1117/12.838235

24 November 2009 Micro-ring resonator filter based on photonic crystal fiber

Miaomiao Shi, Feng Xu, Dashi Tao, Jing Liang, Xiaolong Shi, Wanqing Wu, Benli Yu

Proceedings Volume 7509, 2009 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Integration; 750917 (2009) https://doi.org/10.1117/12.838235
Event: International Conference on Optical Instrumentation and Technology, 2009, Shanghai, China

Abstract

The Optical micro-ring Filter is a key component to realize photonic integrated circuits. Various types of micro-ring resonators were proposed and discussed in recent years, and it shows the tremendous potential applications including modulators, filters, sensors, optical delay lines, nonlinear optics and more. The structure parameters of micro-ring resonator were adjusted purposely in order to obtain the desired filtering characteristics. In this paper, a micro-ring resonator based on photonic crystal fiber was proposed and its filtering characteristics were investigated in detail. The influence of structure parameters on filtering wavelength, FWHM and coupling efficiency was presented by using beam propagation method (BPM). The simulation result shows that this PCF filter possess comb-filtering characteristic within the normalized wavelength (λ/Λ) range from 0.21 to 0.947. and shut-down of filtering wavelength could be adjusted by changing the air-hole size. The filtering characteristic is control flexibly because of appearance of photonic crystal fiber, and the fabrication of this kind of PCF filter is easier than that of other kind of filter, e.g., waveguide filter etc. It implies that this kind of PCF filter could be applied potentially in optical fiber communication and sensor system.

Citation Download Citation

Miaomiao Shi, Feng Xu, Dashi Tao, Jing Liang, Xiaolong Shi, Wanqing Wu, and Benli Yu "Micro-ring resonator filter based on photonic crystal fiber", Proc. SPIE 7509, 2009 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Integration, 750917 (24 November 2009); https://doi.org/10.1117/12.838235

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KEYWORDS

Optical filters

Microrings

Resonators

Nonlinear filtering

Photonic crystal fibers

Beam propagation method

Integrated optics

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