Anti-Stokes signal conversion of femtosecond pulses at near-ultraviolet wavelength in photonic crystal fibre

Yuan, Jinhui, Liu, Hongzhan, Han, Ying, Wu, Qiang, Wang, Kuiru, Sang, Xinzhu, Zhou, Guiyao, Hou, Lantian, Farrell, Gerald, Xia, Changming, Yu, Chongxiu and Yan, Binbin (2013) Anti-Stokes signal conversion of femtosecond pulses at near-ultraviolet wavelength in photonic crystal fibre. Electronics Letters, 49 (21). pp. 1348-1350. ISSN 0013-5194

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Official URL: http://dx.doi.org/10.1049/el.2013.2526

Abstract

Anti-Stokes signals at the near-ultraviolet wavelength are efficiently generated based on degenerate four-wave mixing by coupling the femtosecond pulses into the fundamental mode of a photonic crystal fibre. When the pump pulses with the central wavelength of 840 nm and the average power of 300 mW are used, the conversion efficiency η s of the anti-Stokes signal at 432 nm can be up to 40℅, and the pulse width is measured to be 42 fs by the Talbot effect.

Item Type: Article
Uncontrolled Keywords: pump pulses, degenerate four-wave mixing, wavelength 432 nm, power 300 mW, photonic crystal fibre, wavelength 840 nm, femtosecond pulses; near-ultraviolet wavelength, antiStokes signal conversion, time 42 fs, Talbot effect
Subjects: H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Physics and Electrical Engineering
Depositing User: Ay Okpokam
Date Deposited: 15 May 2015 15:00
Last Modified: 10 Aug 2015 11:07
URI: http://nrl.northumbria.ac.uk/id/eprint/22494

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