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Comparison between theory and experiment of nonlinear propagation for a-few-cycle and ultrabroadband optical pulses in a fused-silica fiber

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Title: Comparison between theory and experiment of nonlinear propagation for a-few-cycle and ultrabroadband optical pulses in a fused-silica fiber
Authors: Karasawa, Naoki Browse this author
Nakamura, Shinki Browse this author
Nakagawa, Naoya Browse this author
Shibata, Masato Browse this author
Morita, Ryuji Browse this author →KAKEN DB
Shigekawa, Hidemi Browse this author
Yamashita, Mikio Browse this author →KAKEN DB
Keywords: Nonlinear fiber optics
ultrabroadband and monocycle pulse propagation
self- and induced-phase modulation
Issue Date: Mar-2001
Publisher: IEEE: Institute of Electrical and Electronics Engineers
Journal Title: IEEE Journal of Quantum Electronics
Volume: 37
Issue: 3
Start Page: 398
End Page: 404
Publisher DOI: 10.1109/3.910449
Abstract: Wave-propagation equations, including effectively the second derivative in time under the condition of a small difference between the group and phase velocities and the first derivative in position ξ in the group velocity coordinate, are derived based on the slowly evolving wave approximation. These can describe ultrabroadband optical pulse propagation with not only self-phase modulation (SPM), but also induced-phase modulation (IPM) in the monocycle regime in a fiber. It is shown that linear dispersion effects can be rigorously included in the numerical calculations. Calculations including SPM in a single-mode fused-silica fiber with the Raman effect are performed and compared with experimental results. Also, calculations including IPM in the fused-silica fiber are compared with experimental results. The effects of each term in the calculations on spectra are analyzed and it is shown that inclusion of the Raman effect and the dispersion of the effective core area is important for obtaining better agreement with experiments. It is shown that inclusion of more than third-order dispersion terms is necessary for calculations of monocycle pulse propagation.
Rights: © 2001 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 山下 幹雄

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