Numerical Simulation and Experiment of Spectral Distribution of Type-I Noncollinear Spontaneous Parametric Down-Conversion

Abstract

Abstract:

With the application demand of optical metrology based on correlated photons method in recent years, spectral distribution of type-I noncollinear spontaneous parametric down-conversion (SPDC) is theoretically analyzed. Two different cases including ideal phasing-matching and nonideal phasing-matching are considered, SPDC spectral distribution curve is formed by 355 nm CW laser pumping type-I noncollinear BBO crystal, and numerical simulation results show that two cases have almost the same spectral distribution. Lastly measurement experiment of SPDC spectral distribution is designed. The experiment shows type-I noncollinear SPDC spectral distribution is in good agreement with numerical simulation.

Key words: spontaneous parametric down-conversion, type-I noncollinear phase-matching, spectral distribution

CLC Number:

O437

LI Ping-Fu, LI Jian-Jun, JIA Mao-Peng, ZHENG Xiao-Bing. Numerical Simulation and Experiment of Spectral Distribution of Type-I Noncollinear Spontaneous Parametric Down-Conversion[J]. Journal of Atmospheric and Environmental Optics, 2013, 8(3): 203-211.

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