Polarization sensitivities of demodulation techniques for tilted fiber Bragg grating refractometer

Yu-Chun Lu; Wei-Ping Huang; Shui-Sheng Jian

doi:10.1117/12.850979

1 December 2009 Polarization sensitivities of demodulation techniques for tilted fiber Bragg grating refractometer

Yu-Chun Lu, Wei-Ping Huang, Shui-Sheng Jian

Proceedings Volume 7630, Passive Components and Fiber-based Devices VI; 76300U (2009) https://doi.org/10.1117/12.850979
Event: Asia Communications and Photonics, 2009, Shanghai, Shanghai , China

Abstract

The polarization sensitivities of demodulation techniques for tilted fiber Bragg Grating (TFBG) refractometer are investigated theoretically with the complex mode based coupled mode theory. The use of perfectly matched layer (PML) technique simplifies the radiation mode model. The numerical results show that both the normalized area detecting technique and the power-referenced demodulation technique are highly polarization sensitive, the polarization sensitivity increases with the grating tilted angle, thus, precise polarization control is essential in both of the demodulation techniques.

Citation Download Citation

Yu-Chun Lu, Wei-Ping Huang, and Shui-Sheng Jian "Polarization sensitivities of demodulation techniques for tilted fiber Bragg grating refractometer", Proc. SPIE 7630, Passive Components and Fiber-based Devices VI, 76300U (1 December 2009); https://doi.org/10.1117/12.850979

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