Resonant bend loss in leakage channel fibers

被引：13

作者：

Barankov, R. A. ^{[1
]}

Wei, K. ^{[2
]}

Samson, B. ^{[2
]}

Ramachandran, S. ^{[1
]}

机构：

[1] Boston Univ, Photon Ctr, Dept Elect & Comp Engn, Boston, MA 02215 USA

[2] Nufern, E Granby, CT 06026 USA

来源：

OPTICS LETTERS | 2012年 / 37卷 / 15期

关键词：

SINGLE-MODE FIBERS; OPTICAL-FIBERS; FUNDAMENTAL MODE; EFFECTIVE AREA;

D O I：

10.1364/OL.37.003147

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Leakage channel fibers, designed to suppress higher-order modes, demonstrate resonant power loss at certain critical radii of curvature. Outside the resonance, the power recovers to the levels offset by the usual mechanism of bend-induced loss. Using C-2 imaging, we experimentally characterize this anomaly and identify the corresponding physical mechanism as the radiative decay of the fundamental mode mediated by the resonant coupling to a cladding mode. (C) 2012 Optical Society of America

引用

页码：3147 / 3149

页数：3

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