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Proceedings Paper

Generation of two-wavelength infrared optical signals based on coupled parametric six-wave mixings
Author(s): Changjun Zhu; Na Tong; Bing Xue; Xuejun Zhai
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Paper Abstract

Two wavelength optical signals in the infrared regime were generated in atomic rubidium (Rb) vapor using a Ti:sapphire laser amplifier and competition between the two signals was observed. The effects of Rb number density, pump laser intensity and the chirp of laser pulses on the characteristics of the two signals were investigated. The results show that the two signals were mainly generated by two coupled difference frequency six wave mixings and, in the meantime, two coupled six wave mixing channels were identified. The competition between the two signals is dominantly governed by phase matching conditions in the two six wave mixing processes. The phase matching conditions in the two channels are primarily determined by the Rb number density and, whereas, the phase matching conditions are scarcely related to pump laser intensity and the chirp of pump laser pulses.

Paper Details

Date Published: 19 February 2015
PDF: 8 pages
Proc. SPIE 9449, The International Conference on Photonics and Optical Engineering (icPOE 2014), 94490S (19 February 2015); doi: 10.1117/12.2075820
Show Author Affiliations
Changjun Zhu, Xi'an Polytechnic Univ. (China)
Na Tong, Xi'an Polytechnic Univ. (China)
Bing Xue, Xi'an Polytechnic Univ. (China)
Xuejun Zhai, Xi'an Polytechnic Univ. (China)


Published in SPIE Proceedings Vol. 9449:
The International Conference on Photonics and Optical Engineering (icPOE 2014)
Ailing Tian; Anand Asundi; Weiguo Liu; Chunmin Zhang, Editor(s)

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