Modal phase-matching second harmonic generation in Bragg fiber
β 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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β¦ 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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