Polarization dependence of propagation features modeling for optical micro/nano fiber in circularly bent shape

Longjiang Zhao; Jin Cheng

doi:10.1117/12.2538148

8 July 2019 Polarization dependence of propagation features modeling for optical micro/nano fiber in circularly bent shape

Longjiang Zhao, Jin Cheng

Author Affiliations +

Proceedings Volume 11063, Pacific Rim Laser Damage 2019: Optical Materials for High-Power Lasers; 110630E (2019) https://doi.org/10.1117/12.2538148
Event: Pacific Rim Laser Damage 2019 and Thin Film Physics and Applications 2019, 2019, Qingdao, China

Abstract

Many optical properties can be obtained from those propagation modes of optical micro/nano fiber, such as single-mode or hybrid-mode operation, power density distribution, strong confinement, large evanescent field and transmission loss. Here, the TE and TM polarization fundamental modes of straight and circularly bent optical micro/nano fibers are simulated respectively using the beam propagation method in 3D model of the commercial Rsoft software. The curves of launch power versus propagation distance at different bending radii and optical wavelengths are then obtained, which indicates the 90° loss and even the longer propagation distance loss are so small that can be ignored when the bending radius is large enough to some extent. And also the transmission loss reduced with the decrease of optical wavelength is revealed. These modeling results might give a valuable insight for understanding the evaluation and application of optical micro/nano fiber, especially in the integrated optical fiber sensing area..

Citation Download Citation

Longjiang Zhao and Jin Cheng "Polarization dependence of propagation features modeling for optical micro/nano fiber in circularly bent shape", Proc. SPIE 11063, Pacific Rim Laser Damage 2019: Optical Materials for High-Power Lasers, 110630E (8 July 2019); https://doi.org/10.1117/12.2538148

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