Comb-Filter Based on Twin-Core Fiber Coupler

Weiwei, 江微微 Jiang; Ruifeng, 赵瑞峰 Zhao; Linyong, 范林勇 Fan; Li, 裴丽 Pei; Shuisheng, 简水生 Jian

doi:10.3788/cjl201138.0505001

Cited by 2 publications

(1 citation statement)

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“…Therefore, PCF plays an increasingly significant role in the fields of high-speed optical communications, optical fiber sensing and precision optical instruments. Conventional dual-core optical fibers are mainly used as coupling devices [14], and the fabrication process is quite complex. However, dual-core PCF provides an ideal alternative in this context.…”

Section: Introductionmentioning

confidence: 99%

A Kind of Novel Dual-Core High Birefringence Photonic Crystal Fiber

Sun

Bai

2014

AMR

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A dual-core photonic crystal fiber (PCF) with high birefringence, short coupling length and broadband flat dispersion is proposed in the paper. The symmetry of the original symmetric structure composed of hexagonally distributed air holes is distorted by replacing the innermost 12 air holes with 6 elliptical air holes. The characteristics of the dual-core PCF such as birefringence, coupling length and chromatic dispersion are analyzed by tuning its structural parameters. The results demonstrated that the dual-core PCF exhibits simultaneously a birefringence of up to 10-2, a coupling length of 68.178 for the x-polarization and 74.825 for the y-polarization, and a broadband flat dispersion ranging from 1.1 to 1.6. The novel dual-core PCF may find applications in polarization-maintaining fibers and fiber-based polarization beam splitters/couplers with broadband flat dispersion.

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Section: Introductionmentioning

confidence: 99%