Affiliation:
1. University of Chinese Academy of Sciences
2. Huazhong University of Science and Technology
Abstract
Möbius optical cavities have attracted great interest for their unique topological properties. Here, the polarization and longitudinal modes of two types of Möbius fiber ring lasers are investigated. A theoretical model is established with Jones matrix to solve the polarization eigenmodes and longitudinal modes of a twisted polarization-maintaining fiber ring cavity. It is found that twisting the fiber axis causes polarization hybridization and a geometry-dependent phase, which induces a frequency shift to the longitudinal modes. The Möbius cases (180° and 90° splicing) are analyzed in detail, in which the 90° case leads to peculiar polarization and longitudinal mode properties. We believe the presented fiber ring laser provides a convenient platform to study lasers with a Möbius structure, and could enable further fiber laser applications.
Funder
National Natural Science Foundation of China
National Key Research and Development Program of China
Subject
Atomic and Molecular Physics, and Optics,Electronic, Optical and Magnetic Materials
Cited by
1 articles.
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1. Topological polarisation states;Frontiers in Physics;2023-09-08