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布里渊增强非简并四波混频
  • 期刊名称：物理学报57, 4991-4994（2008）
  • 时间：0
  • 分类：O484.1[理学—固体物理;理学—物理] TN248.4[电子电信—物理电子学]
  • 作者机构：[1]中国科学院物理研究所北京凝聚态物理国家实验室,北京100190, [2]河北大学物理科学与技术学院,保定071002
  • 相关基金：国家自然科学基金（批准号：10774185,10574155,60578029）和国家重点基础研究发展规划（批准号：2006CB921100）资助的课题.
  • 相关项目：光子时空关联及其应用的研究
关键词： 四波混频, 布里渊散射, 瑞利散射, four-wave mixing,Brillouin scattering,Rayleigh scattering
中文摘要：

在CS2介质中观测到由声波引起的布里渊增强非简并四波混频（NFWM）和由分子取向栅产生的瑞利型NFWM.研究发现,分子取向栅与声波之间并不是相互独立的,声波的存在会破坏瑞利型NFWM和布里渊增强NFWM极化之间的相位关系.

英文摘要：

We have observed Brillouin-enhanced nondegenerate four-wave mixing（NFWM） induced by an acoustic wave and Rayleigh-type NFWM induced by molecular reorientation in CS_2.It was found that the acoustic wave and the molecular reorientation grating are not mutually independent.The existence of the acoustic wave destroys the phase coherence between the polarizations of the Rayleigh-type NFWM and the Brillouin-enhanced NFWM.

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