Ultrafast Photon-Photon Interaction in a Strongly Coupled Quantum Dot-Cavity System

被引：154

作者：

Englund, Dirk ^{[1
,2
,3
]}

Majumdar, Arka ^{[1
]}

Bajcsy, Michal ^{[1
]}

Faraon, Andrei ^{[1
]}

Petroff, Pierre ^{[4
]}

Vuckovic, Jelena ^{[1
]}

机构：

[1] Stanford Univ, EL Ginzton Lab, Stanford, CA 94305 USA

[2] Columbia Univ, Dept Elect Engn, New York, NY 10027 USA

[3] Columbia Univ, Dept Appl Phys, New York, NY 10027 USA

[4] Univ Calif Santa Barbara, Dept Mat, Santa Barbara, CA 93106 USA

来源：

PHYSICAL REVIEW LETTERS | 2012年 / 108卷 / 09期

基金：

美国国家科学基金会;

关键词：

PHASE-SHIFTS; NANOCAVITY;

D O I：

10.1103/PhysRevLett.108.093604

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study dynamics of the interaction between two weak light beams mediated by a strongly coupled quantum dot-photonic crystal cavity system. First, we perform all-optical switching of a weak continuous-wave signal with a pulsed control beam, and then perform switching between two weak pulsed beams (40 ps pulses). Our results show that the quantum dot-nanocavity system enables fast, controllable optical switching at the single-photon level.

引用

页数：4

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