Fiber coupler based on dual-core fiber long-period grating

Jing Yang; Jinhui Shi; Chunying Guan; Meng Wang; Zengxi Wei; Ping Li

doi:10.1117/12.2502250

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Fiber coupler based on dual-core fiber long-period grating

Jing Yang Jinhui Shi Chunying Guan Meng Wang Zengxi Wei Ping Li

Year: 2018 Pages: 71-71

DOI: 10.1117/12.2502250

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Abstract

In this work, we proposed a dual-core fiber coupler. Identical long-period fiber grating is written in each core of the dual-core fiber by using point-by-point high-frequency CO₂ laser irradiation. The peak attenuations of the two similar LPGs are -19.8 dB and 13.2 dB, respectively. And the proposed coupler can achieve a peak coupling efficiency of 48%.

Keywords:

Core (optical fiber) Materials science Optics Graded-index fiber Fiber Bragg grating Polarization-maintaining optical fiber Plastic optical fiber Fiber laser Fiber Long-period fiber grating Dispersion-shifted fiber Optical fiber Optoelectronics Multi-mode optical fiber Fiber optic sensor Physics Composite material

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Advanced Fiber Optic Sensors

Physical Sciences → Engineering → Electrical and Electronic Engineering

Photonic and Optical Devices

Physical Sciences → Engineering → Electrical and Electronic Engineering

Advanced Fiber Laser Technologies

Physical Sciences → Physics and Astronomy → Atomic and Molecular Physics, and Optics

Fiber coupler based on dual-core fiber long-period grating

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