Multiwavelength ghost imaging

被引：48

作者：

Duan, Deyang ^{[1
]}

Du, Shaojiang ^{[2
]}

Xia, Yunjie ^{[1
]}

机构：

[1] Qufu Normal Univ, Res Inst Laser, Shandong Prov Key Lab Laser Polarizat & Informat, Qufu 273165, Peoples R China

[2] Jining Univ, Dept Phys & Informat Technol, Qufu 273155, Peoples R China

来源：

PHYSICAL REVIEW A | 2013年 / 88卷 / 05期

基金：

中国国家自然科学基金;

关键词：

QUANTUM;

D O I：

10.1103/PhysRevA.88.053842

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper, we analyze the multiwavelength thermal ghost imaging with the spatial light modulating system (SLMS) and rotating ground glass plate (RGGP), respectively. We find that the multiwavelength ghost imaging dramatically enhances the signal-to-noise ratio (SNR) of ghost imaging for all types of objects. The N-wavelength ghost imaging with SLMS produces N-2 ghost images incoherently added together to form one ghost image whose SNR is N-2 times the one of single-wavelength ghost imaging. The N-wavelength ghost imaging with RGGP produces N ghost images incoherently added together to form one ghost image whose SNR is N times the one of single-wavelength ghost imaging. We find that a quantum effect is involved in the thermal light, although in a specific scenario at present. Moreover, the color ghost image obtained by the multiwavelength ghost imaging is better than the monochromatic ghost image in our observation.

引用

页数：5

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