Visibility and Resolution Enhancement of Fourth-Order Ghost Interference with Thermal Light  

作　　者：问峰 张荀 袁晨志 李昌彪 王静达 张彦鹏 

机构地区：[1]Key Laboratory for Physical Electronics and Devices of the Ministry of Education & Shaanxi Key Lab of Information Photonic Technique,Xi’an Jiaotong University [2]Department of Electronic Engineering,Tsinghua University

出　　处：《Chinese Physics Letters》2015年第1期70-74,共5页中国物理快报（英文版）

基　　金：Supported by the National Basic Research Program of China under Grant No 2012CB921804;the National Natural Science Foundation of China under Grant Nos 61078002,61078020,11104214,61108017,11104216 and 61205112;the Research Funds for the Doctoral Program of Higher Education of China under Grant Nos 20110201110006,20110201120005 and 20100201120031;the Fundamental Research Funds for the Central Universities of Ministry of Education of China under Grant Nos 2012jdhz05,2011jdhz07,xjj2011083,xjj2011084,xjj2012080 and xjj2013089;the China Postdoctoral Science Foundation under Grant No2012M521773

摘　　要：A scheme for fourth-order double-slit ghost interference with a pseudo-thermal light source is proposed. It is shown that not only can the visibility be dramatically enhanced compared to the third-order case, but also higher resolution is demonstrated if we scan two of three reference detectors in opposite directions with the same speed, meanwhile another two in identical directions where the speed of one reference detector is twice the other. The results show that the visibility and resolution improvement of the fourth-order ghost interference fringe can be applied to the Nth-order ghost imaging.A scheme for fourth-order double-slit ghost interference with a pseudo-thermal light source is proposed. It is shown that not only can the visibility be dramatically enhanced compared to the third-order case, but also higher resolution is demonstrated if we scan two of three reference detectors in opposite directions with the same speed, meanwhile another two in identical directions where the speed of one reference detector is twice the other. The results show that the visibility and resolution improvement of the fourth-order ghost interference fringe can be applied to the Nth-order ghost imaging.

关 键 词：Visibility and Resolution Enhancement of Fourth-Order Ghost Interference with Thermal Light 

分 类 号：O431.2[机械工程—光学工程]