Theoretical investigation on guiding IR light in hollow-core metallic fiber with corrugated inner surface

Liu, HairongWuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, China; Laboratory of Photonics and Microwave Engineering, School of Information and Communication Technology, Royal Institute of Technology (KTH), Electrum 229, Kista, Sweden (author)

Hollow metallic fibers (HMFs) are in general lossy primarily owing to the fact that the guided transverse-magnetic (TM) light sustains a relatively high propagation loss. In this paper, we propose a type of practical hollow-core metallic fiber (HMF) with longitudinally corrugated inner surface for transmitting infrared (IR) light. Simulation results show that the loss of the fundamental TM mode can be easily reduced by 50~100 times compared to a HMF without surface corrugation. In contrast to the traditional HMF with a dielectric coating, it is shown that the loss of the fundamental TM mode in the proposed HMF is relatively insensitive to the corrugation layer thickness or equivalently the operating frequency.

Yan, MinLaboratory of Photonics and Microwave Engineering, School of Information and Communication Technology, Royal Institute of Technology (KTH), Electrum 229, Kista, Sweden(Swepub:umu)maya0028 (author)
Qiu, MinLaboratory of Photonics and Microwave Engineering, School of Information and Communication Technology, Royal Institute of Technology (KTH), Electrum 229, Kista, Sweden (author)
Liu, DemingWuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, China (author)
Yu, XiaSingapore Institute of Manufacturing Technology (SIMTech), Singapore, Singapore (author)
Zhang, YingSingapore Institute of Manufacturing Technology (SIMTech), Singapore, Singapore (author)
Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, China; Laboratory of Photonics and Microwave Engineering, School of Information and Communication Technology, Royal Institute of Technology (KTH), Electrum 229, Kista, SwedenLaboratory of Photonics and Microwave Engineering, School of Information and Communication Technology, Royal Institute of Technology (KTH), Electrum 229, Kista, Sweden (creator_code:org_t)

By the author/editor: Liu, Hairong; Yan, Min; Qiu, Min; Liu, Deming; Yu, Xia; Zhang, Ying

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