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Proceedings Paper

Mechanism of supercontinuum spectrum generation due to cross-phase modulation in a dispertion-flattened/decreasing fiber with low birefringence
Author(s): Hiroyasu Sone; Zhaoyang Wang; Masaaki Imai; Takeshi Fukuoka; Yasuhiro Harada; Yuichi Suzuki
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Paper Abstract

Mechanism of supercontinuum(SC) spectrum generation due to cross-phase modulation(XPM) in a dispersionflattened/decreasing fiber(DFDF) with low birefringence has been investigated theoretically and experimentally. By using a XPM, the measured SC spectum width becomes 33.6 % broader than that obtained by using only self-phase modulation (SPM). This fact implys that effectiveness and validity of the sc generation using XPM method. Furthermore, dependence of generated sc spectrum broadening on incident power, polarization angle of the input pulses, and modal birefringence are investigated. consequently, it was velifid that when a polarization angle of the input pulses is 45 degrees with regard to the principal axes of the fiber and incident average power is less than 0.147 mW, soliton trapping takes place due to a balance between soliton pulse powers and modal birefringence value. In addition, it was shown experimentally that for a polarization angle of the input pulses of 22.5 degrees, the sc spectrum is enlarged by the same amount as in the case of 45 degrees.

Paper Details

Date Published: 28 January 2006
PDF: 7 pages
Proc. SPIE 6025, ICO20: Optical Communication, 60250G (28 January 2006); doi: 10.1117/12.667003
Show Author Affiliations
Hiroyasu Sone, Kitami Institute of Technology (Japan)
Zhaoyang Wang, Muroran Institute of Technology (Japan)
Masaaki Imai, Muroran Institute of Technology (Japan)
Takeshi Fukuoka, Kitami of Institute of Technology (Japan)
Yasuhiro Harada, Kitami Institute of Technology (Japan)
Yuichi Suzuki, Fujitsu Network Technologies Ltd. (Japan)

Published in SPIE Proceedings Vol. 6025:
ICO20: Optical Communication
Yun-Chur Chung; Shizhong Xie, Editor(s)

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