Analysis of hollow optical fiber couplers using the compact two-dimensional finite-difference time-domain method

The coupling characteristics of newly proposed hollow optical fiber (HOF) couplers are rigorously analyzed using the compact 2-D finite-difference time-domain (FDTD) method. The FDTD-simulated coupling efficiency as a function of the coupling length, and the transverse electric field distributions o...

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Bibliographic Details
Published in:Optical Engineering 2006-01, Vol.45 (1), p.015007-015005
Main Authors: Chung, Kun-Wook, Kim, Sungwon, Shin, Jaesheung, Yin, Shizhuo
Format: Article
Language:English
Subjects:
dispersion compensation
finite-difference time-domain method
higher-order mode
hollow optical fiber
optical coupler
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Summary:The coupling characteristics of newly proposed hollow optical fiber (HOF) couplers are rigorously analyzed using the compact 2-D finite-difference time-domain (FDTD) method. The FDTD-simulated coupling efficiency as a function of the coupling length, and the transverse electric field distributions of the higher-order mode converted by the HOF couplers, are investigated. We propose that the designed HOF couplers can be used for various optical devices such as side-pumping double-clad fibers, mode splitters, and power monitors.
ISSN:0091-3286
1560-2303
DOI:10.1117/1.2151129