Resonantly guided modes in microstructured optical fibers with a circular array of high-index rods

被引：3
作者：
Ohtera, Yasuo [1 ]
Hirose, Haruka [1 ]
Yamada, Hirohito [1 ]
机构：
[1] Tohoku Univ, Grad Sch Engn, Sendai, Miyagi 9808579, Japan
来源：
OPTICS LETTERS | 2013年 / 38卷 / 15期
关键词：
PHOTONIC CRYSTAL FIBERS; GUIDANCE;
D O I：
10.1364/OL.38.002695
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A microstructured optical fiber with a new type of waveguiding mechanism is proposed. The fiber consists of a circular rod array of high index material (n = 3.48) embedded in a low index background (n = 1.44). The rod array exhibits guided-mode resonance (GMR) for cylindrical waves arriving from inside the array, and thus functions as a highly reflective circular wall. Through finite-difference time-domain (FDTD) simulations, we confirmed light confinement and guidance near the GMR wavelength. Basic optical characteristics such as dispersion relations, loss spectra, and mode field profiles were calculated. (C) 2013 Optical Society of America
引用
收藏
页码：2695 / 2697
页数：3
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