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Deep notch filter based on liquid-filled photonic crystal fiber

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Abstract

A deep notch filter in a liquid-filled photonic bandgap fiber (PBGF) realized via filling an erbium-doped solid core photonic crystal fiber with high-index liquid is proposed and demonstrated. The numerical investigation indicates that the notch is formed due to avoid-crossing effect between the fundamental mode and LP02 supermodes. The resonance wavelength of the filter can be tuned by adjusting the temperature of the liquid-filled PBGF and shifts toward short wavelength. The blue-shift speed average is 1.3 nm/°C.

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Authors and Affiliations

  1. Key Laboratory of Opto-Electronic Information and Technology, Ministry of Education, Institute of Modern Optics, Nankai University, Tianjin, 300071, China

    Bing Zou, Yange Liu, Zhi Wang & Bo Liu

Authors
  1. Bing Zou
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  2. Yange Liu
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  3. Zhi Wang
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  4. Bo Liu
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Correspondence to Yange Liu.

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Zou, B., Liu, Y., Wang, Z. et al. Deep notch filter based on liquid-filled photonic crystal fiber. Front. Optoelectron. China 3, 289–291 (2010). https://doi.org/10.1007/s12200-010-0100-2

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  • DOI: https://doi.org/10.1007/s12200-010-0100-2

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