Time-to-space ghost imaging

被引：2
|
作者：
Horoshko, Dmitri B. [1 ,2 ]
机构：
[1] Univ Lille, CNRS, PhLAM Phys Lasers Atomes & Mol, UMR 8523, F-59000 Lille, France
[2] BI Stepanov Inst Phys, NASB, Nezavisimosti Ave 68, Minsk 220072, BELARUS
来源：
OPTICS LETTERS | 2023年 / 48卷 / 12期
关键词：
Ghost image - Ghost imaging - Optical beams - Parametric downconversion - Resolution time - Temporal correlations - Temporal images - Temporal objects - Temporal resolution - Temporal-spatial correlations;
D O I：
10.1364/OL.487394
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Temporal ghost imaging is based on the temporal correla-tions of two optical beams and aims at forming a temporal image of a temporal object with a resolution, fundamentally limited by the photodetector resolution time and reaching 55 ps in a recent experiment. For further improvement of the temporal resolution, it is suggested to form a spa-tial ghost image of a temporal object relying on strong temporal-spatial correlations of two optical beams. Such correlations are known to exist between two entangled beams generated in type-I parametric downconversion. It is shown that a sub-picosecond-scale temporal resolution is accessible with a realistic source of entangled photons. (c) 2023 Optica Publishing Group
引用
收藏
页码：3247 / 3250
页数：4
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