Demonstration of intermodal four-wave mixing by femtosecond pulses centered at 1550 nm in an air-silica photonic crystal fiber

Yuan, Jinhui, Kang, Zhe, Li, Feng, Zhang, Xianting, Sang, XinZhu, Zhou, Guiyao, Wu, Qiang, Yan, Binbin, Wang, Kuiru, Yu, Chongxiu, Tam, Hwa Yaw and Wai, Ping-kong Alexander (2017) Demonstration of intermodal four-wave mixing by femtosecond pulses centered at 1550 nm in an air-silica photonic crystal fiber. Journal of Lightwave Technology, 35 (12). pp. 2385-2390. ISSN 0733-8724

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Official URL: http://dx.doi.org/10.1109/JLT.2017.2681183

Abstract

In this paper, we demonstrated experimentally the intermodal four-wave mixing effect by launching femtosecond pulses centered at 1550 nm into deeply normal dispersion region in the fundamental guided-mode of an air-silica photonic crystal fiber with two zero dispersion wavelengths. When intermodal phase-matching condition is satisfied, the energy of the pump waves at 1550 nm in the fundamental guided-mode is converted to the anti-Stokes waves around 1258 nm and Stokes waves around 2018 nm both in the second-order guided-mode. When femtosecond pulses at input average power Pav of 90 mW are propagated inside 22 cm long photonic crystal fiber, the conversion efficiencies ηas and ηs of the anti-Stokes and Stokes waves generated are 8.5 and 6.8%, respectively. We also observed that the influences of the fiber bending and walk-off effect between the fundamental and second-order guided-modes on intermodal four-wave mixing-based frequency conversion process are very small.

Item Type: Article
Uncontrolled Keywords: Stokes waves, Photonic crystal fiber, intermodal four-wave mixing, anti-Stokes waves
Subjects: H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Physics and Electrical Engineering
Depositing User: Becky Skoyles
Date Deposited: 14 Mar 2017 16:33
Last Modified: 15 Sep 2017 23:05
URI: http://nrl.northumbria.ac.uk/id/eprint/30103

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