Measurement back action and spin noise spectroscopy in a charged cavity QED device in the strong coupling regime

被引：12
|
作者：
Smirnov, D. S. [1 ]
Reznychenko, B. [2 ]
AuffSves, A. [2 ]
Lanco, L. [3 ,4 ]
机构：
[1] Ioffe Inst, St Petersburg 194021, Russia
[2] Univ Grenoble Alpes, CNRS, Grenoble INP, Inst Neel, F-38000 Grenoble, France
[3] Univ Paris Saclay, Univ Paris Sud, CNRS, Ctr Nanosci & Nanotechnol,Marcoussis C2N, F-91460 Marcoussis, France
[4] Univ Paris Diderot, Sorbonne Paris Cite, F-75013 Paris, France
来源：
PHYSICAL REVIEW B | 2017年 / 96卷 / 16期
基金：
俄罗斯基础研究基金会;
关键词：
QUANTUM-DOT SPIN; SINGLE-ELECTRON SPIN; HOLE SPIN; ENTANGLEMENT; DYNAMICS;
D O I：
10.1103/PhysRevB.96.165308
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We study theoretically the spin-induced and photon-induced fluctuations of optical signals from a singly-charged quantum dot-microcavity structure. We identify the respective contributions of the photon-polariton interactions, in the strong light-matter coupling regime, and of the quantum back action induced by photon detection on the spin system. Strong spin projection by a single photon is shown to be achievable, allowing the initialization and measurement of a fully-polarized Larmor precession. The spectrum of second-order correlations is deduced, displaying information on both spin and quantum dot-cavity dynamics. The presented theory thus bridges the gap between the fields of spin noise spectroscopy and quantum optics.
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收藏
页数：11
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