量子纠缠
量子传感器
光子
量子非定域性
物理
光子纠缠
量子计量学
光子上转换
量子技术
干扰(通信)
量子信息科学
量子成像
干涉测量
红外线的
量子光学
量子信息
光电子学
量子
光学
量子网络
量子力学
计算机科学
电信
开放量子系统
兴奋剂
频道(广播)
作者
Zheng Ge,Zhao-Qi-Zhi Han,Fan Yang,Xiao-Hua Wang,Yin-Hai Li,Yan Li,M. Gao,Renhui Chen,Niu Sujian,Mengyu Xie,Zhi-Yuan Zhou,Bao-Sen Shi
出处
期刊:Science Advances
[American Association for the Advancement of Science (AAAS)]
日期:2024-03-06
卷期号:10 (10)
被引量:5
标识
DOI:10.1126/sciadv.adm7565
摘要
Given the important advantages of the mid-infrared optical range (2.5 to 25 μm) for biomedical sensing, optical communications, and molecular spectroscopy, extending quantum information technology to this region is highly attractive. However, the development of mid-infrared quantum information technology is still in its infancy. Here, we report on the generation of a time-energy entangled photon pair in the mid-infrared wavelength band. By using frequency upconversion detection technology, we observe the two-photon Hong-Ou-Mandel interference and demonstrate the time-energy entanglement between twin photons at 3082 nm via the Franson-type interferometer, verifying the indistinguishability and nonlocality of the photons. This work is very promising for future applications of optical quantum technology in the mid-infrared band, which will bring more opportunities in the fields of quantum communication, precision sensing, and imaging.
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