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Design of a broadband source by using the retracing behavior of a collinear quasi-phase-matching optical parametric generator
Author(s) -
Yang Lü,
Baigang Zhang,
Enbang Li,
Jianquan Yao
Publication year - 2006
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.14.012316
Subject(s) - optics , lithium niobate , broadband , parametric statistics , bandwidth (computing) , wavelength , phase matching , materials science , laser , optical parametric amplifier , optical amplifier , physics , computer science , telecommunications , statistics , mathematics
In this paper, we introduce a concept of phase matching bandwidth of broadband sources by using the retracing behavior of collinear quasi-phase-matching (CQPM) optical parametric generation (OPG) in periodically poled lithium niobate (PPLN). By comparing various pump wavelengths we derive the pumping condition and parameters of PPLN to realize a broadband source near 1550 nm in the CQPM-OPG. We predict the optimum pump wavelength and the maximum ideal bandwidth range to be 940.75 nm and 1475-1681 nm respectively. Experimentally we have demonstrated a 946 nm Nd:YAG laser which serves as the pumping source of CQPM-OPG.

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