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

Jinhui Yuan, Zhe Kang, Feng Li, Xianting Zhang, XinZhu Sang, Guiyao Zhou, Qiang Wu, Binbin Yan, Kuiru Wang, Chongxiu Yu, Hwa Yaw Tam, Ping-kong Alexander Wai

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3 Citations (Scopus)
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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.
Original languageEnglish
Pages (from-to)2385-2390
JournalJournal of Lightwave Technology
Volume35
Issue number12
Early online date10 Mar 2017
DOIs
Publication statusPublished - 15 Jun 2017

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