Lateral stress-induced propagation characteristics in photonic crystal fibres |
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Authors: | Tian Hong-D Yu Zhong-Yuan Han Li-Hong and Liu Yu-Min |
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Institution: | Institute of Optical Communication and Optoelectronics, Beijing University of Posts and Telecommunications, linebreak Beijing 100876, China; Key Laboratory of Optical Communication and Lightwave Technologies Ministry of Education linebreak (Beijing University of Posts and Telecommunications), Beijing 100876, China |
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Abstract: | Using the finite element method, this paper investigates lateral
stress-induced propagation characteristics in a photonic crystal
fibre of hexagonal symmetry. The results of simulation show the
strong stress dependence of effective index of the fundamental
guided mode, phase modal birefringence and confinement loss. It also
finds that the contribution of the geometrical effect that is
related only to deformation of the photonic crystal fibre and the
stress-related contribution to phase modal birefringence and
confinement loss are entirely different. Furthermore,
polarization-dependent stress sensitivity of confinement loss is
proposed in this paper. |
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Keywords: | propagation characteristics photonic crystal fibre lateral stress stress-optical effect |
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