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Optical Engineering

High-birefringence photonic crystal fiber polarization filter with gold-coated and liquid-filled air holes based on surface plasmon resonance
Author(s): Junbo Lou; Shuguang Li; Tonglei Cheng; Xin Yan; Xuenan Zhang
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Paper Abstract

A high-birefringence photonic crystal fiber polarization filter is proposed. The coupling theory is used to explain full and incomplete couplings. The resonance point can be adjusted to the communication band by optimizing the fiber structure parameters. Numerical simulation results indicate that the resonance strength can reach 924.96 and 710.28    dB . cm 1 at the communication wavelength of 1.31 and 1.55    μ m in x - and y -polarized directions, respectively. By filling liquid analyte, the confinement loss can reach 804.52    dB . cm 1 at the wavelength of 1.55    μ m . Furthermore, when the fiber length of L equals 500    μ m , the peak value of the cross talk (CT) can reach 389.15 and 280.52    dB , respectively. When the length of the fiber L equals 200    μ m , the bandwidth of the CT better than 20 dB is up to 120 nm at the wavelength of 1.31  μm, and the bandwidth of the

Paper Details

Date Published: 25 January 2018
PDF: 7 pages
Opt. Eng. 57(1) 016109 doi: 10.1117/1.OE.57.1.016109
Published in: Optical Engineering Volume 57, Issue 1
Show Author Affiliations
Junbo Lou, Northeastern Univ. (China)
Tieling Normal College (China)
Shuguang Li, Northeastern Univ. (China)
Tonglei Cheng, Northeastern Univ. (China)
Xin Yan, Northeastern Univ. (China)
Xuenan Zhang, Northeastern Univ. (China)

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