Supercontinuum generation in a multiple-submicron-core microstructure fiber: toward limiting waveguide enhancement of nonlinear-optical processes

被引：0
|
作者：
D.A. Akimov
M. Schmitt
R. Maksimenka
K.V. Dukel’skii
Y.N. Kondrat’ev
A.V. Khokhlov
V.S. Shevandin
W. Kiefer
A.M. Zheltikov
机构：
[1] M.V. Lomonosov Moscow State University,Physics Department, International Laser Center
[2] Universität Würzburg,Institut für Physikalische Chemie
[3] S.I. Vavilov State Optical Institute,undefined
来源：
Applied Physics B | 2003年 / 77卷
关键词：
Microstructure; Total Energy; Laser Power; Enhancement Factor; Broad Class;
D O I：
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中图分类号：
学科分类号：
摘要：
A new design of supercontinuum-generating microstructure fibers is demonstrated, with supercontinuum emission produced in six submicron-diameter cores surrounding a larger central core with a diameter of 2 to 5 μm. Such a multiple-core microstructure-fiber design not only allows the total energy of supercontinuum emission to be increased, but also offers a practical way of fabricating microstructure-integrated bundles of small-core high-index-step fibers with very large lengths. Submicron-core fused-silica microstructure fibers are shown to provide maximum ratios of the fiber-core-confined laser power to the fiber-core diameter, allowing limiting waveguide enhancement factors to be approached for a broad class of nonlinear-optical processes contributing to supercontinuum generation.
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页码：299 / 305
页数：6
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