Limits to atom-vapor-based room-temperature photon-number-resolving detection

被引：2

作者：

Matekole, Elisha S. ^{[1
,2
]}

Lee, Hwang ^{[1
,2
]}

Dowling, Jonathan P. ^{[1
,2
,3
,4
,5
]}

机构：

[1] Louisiana State Univ, Hearne Inst Theoret Phys, Baton Rouge, LA 70803 USA

[2] Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA

[3] Univ Sci & Technol China, CAS Ctr Excellence Quantum Informat & Quantum Phy, LCAS Alibaba Quantum Comp Lab, Shanghai 201315, Peoples R China

[4] NYU Shanghai, NYU ECNU Inst Phys, 3663 Zhongshan Rd North, Shanghai 200062, Peoples R China

[5] Natl Inst Informat & Commun Technol, Tokyo 1848795, Japan

来源：

PHYSICAL REVIEW A | 2018年 / 98卷 / 03期

基金：

美国国家科学基金会;

关键词：

BELLS-INEQUALITY; QUANTUM; EFFICIENCY; VIOLATION; RELAXATION;

D O I：

10.1103/PhysRevA.98.033829

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We study the atom-vapor-based photon-number-resolving detection from first principles, including quantum-mechanical treatment of the electromagnetic field. We study a photon detector model that combines coherently controlled absorption of light and resonance fluorescence to achieve photon counting at room temperature. In particular we identify the fundamental limits to this particular scheme of photon detection. We show that there exists a time-energy uncertainty between the incident pulse strength and the time period of the incident pulse. We verify the role of a large ensemble of atoms to boost the efficiency of such a detector.

引用

页数：6

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