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Modal phase-matching second harmonic generation in Bragg fiber

✍ Scribed by Li Xiao; Chenxi Lin; Wei Zhang; Yidong Huang; Jiangde Peng


Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
251 KB
Volume
281
Category
Article
ISSN
0030-4018

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✦ Synopsis


Modal phase-matching second harmonic generation in uniformly poled Bragg fiber is theoretically proposed. The very low group velocity of the modes in Bragg fiber near the in-band cutoff frequencies leads to high nonlinear conversion efficiency comparable to that of the periodically poled conversional fiber. The subsequence phase-matched bandwidth reduction by slow light can be retrieved in a certain degree through structure parameters optimization.


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