Coincidence subwavelength fractional Fourier transform |
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| Authors: | Cai Yangjian Lin Qiang Zhu Shi-Yao |
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| Affiliation: | Institute of Optics, Department of Physics, Zhejiang University, Hangzhou, China. yangjian_cai@yahoo.com.cn |
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| Abstract: | The coincidence subwavelength fractional Fourier transforms (FRTs) with entangled photon pairs and incoherent light radiation are introduced as an extension of the recently introduced coincidence FRT. Optical systems for implementing the coincidence subwavelength FRTs are designed. The width of the coincidence subwavelength FRT pattern is two times narrower than the width of the coincidence FRT. The coincidence subwavelength FRT with partially coherent light radiation is also studied numerically. Differences between the coincidence subwavelength FRT with entangled photon pairs and that with incoherent light radiation are discussed. |
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