Intensified antibunching via feedback-induced quantum interference

被引:12
作者
Lu, Yiping [1 ,2 ]
Naumann, Nicolas L. [2 ]
Cerrillo, Javier [3 ]
Zhao, Qing [1 ]
Knorr, Andreas [2 ]
Carmele, Alexander [2 ]
机构
[1] Beijing Inst Technol, Sch Phys, Ctr Quantum Technol Res, Beijing 100081, Peoples R China
[2] Tech Univ Berlin, Inst Theoret Phys Nichtlineare Opt & Quantenelekt, Hardenbergstr 36, D-10623 Berlin, Germany
[3] Tech Univ Berlin, Inst Theoret Phys, Hardenbergstr 36, D-10623 Berlin, Germany
基金
中国国家自然科学基金;
关键词
STATE; CHAOS;
D O I
10.1103/PhysRevA.95.063840
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We numerically show that time-delayed coherent feedback controls the statistical output characteristics of driven quantum emitters. Quantum feedback allows us to enhance or suppress a wide range of classical and nonclassical features of the emitted quantum light. As an exemplary quantum system, we use a pumped cavity containing two emitters. By applying phase-selective feedback, we demonstrate that photon antibunching and bunching can be increased for a given set of parameters in orders of magnitude due to intrinsically and externally controllable quantum interferences. Our modeling is based on a fully non-Markovian quantum simulation of a structured photon continuum. We show that an approximative method in the Schrodinger picture allows a very good estimate for quantum feedback induced features for low pump rates.
引用
收藏
页数:8
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