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Theoretical Analysis of Spectral Correlations Between Photon Pairs Generated in Nanoscale Silicon Waveguides

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【作者】 陆亮亮； 徐平； 徐建宁； 何广强； 祝世宁；

【Author】 LU Liang-Liang;XU Ping;XU Jian-Ning;HE Guang-Qiang;ZHU Shi-Ning;National Laboratory of Solid State Microstructures and School of Physics,Nanjing University;State Key Laboratory of Advanced Optical Communication Systems and Networks,Department of Electronic Engineering,Shanghai Jiaotong University;

【机构】 National Laboratory of Solid State Microstructures and School of Physics,Nanjing University； State Key Laboratory of Advanced Optical Communication Systems and Networks,Department of Electronic Engineering,Shanghai Jiaotong University；

【摘要】 Spontaneous four wave mixing in nonlinear waveguide is one of the excellent technique for generating photon pairs in well-defined guided modes. Here we present a comprehensive study of the frequency characteristic of correlated photon pairs generated in telecom C-band from a dispersion-engineered silicon wire waveguide. We have demonstrated that the waveguide configuration,shape of pump pulse,two-photon absorption as well as linear losses have significant influences on the biphoton spectral characteristics and the amount of frequency entanglement generated. The superior performance as well as the structural compactness and CMOS compatibility makes the silicon wire waveguide an ideal integrated platform for the implementation of on-chip quantum technologies.

【Abstract】 Spontaneous four wave mixing in nonlinear waveguide is one of the excellent technique for generating photon pairs in well-defined guided modes. Here we present a comprehensive study of the frequency characteristic of correlated photon pairs generated in telecom C-band from a dispersion-engineered silicon wire waveguide. We have demonstrated that the waveguide configuration,shape of pump pulse,two-photon absorption as well as linear losses have significant influences on the biphoton spectral characteristics and the amount of frequency entanglement generated. The superior performance as well as the structural compactness and CMOS compatibility makes the silicon wire waveguide an ideal integrated platform for the implementation of on-chip quantum technologies.

【关键词】 four-wave mixing； silicon wire waveguide； frequency correlation；
【Key words】 four-wave mixing； silicon wire waveguide； frequency correlation；
【基金】 Supported by the State Key Program for Basic Research of China under Grant No.2012CB921802;the National Natural Science Foundation of China under Grant Nos.91321312;91121001;11321063;11174121;and 61475099;the Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions(PAPD);the Program for New Century Excellent Talents in University(NCET);a Foundation for the Author of National Excellent Doctoral Dissertation of People’s Republic of China(FANEDD)
  • 【文献出处】 Communications in Theoretical Physics ,理论物理通讯(英文版) , 编辑部邮箱 ,2015年12期
  • 【分类号】O437
  • 【下载频次】24
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