Complete Coherent Control of a Quantum Dot Strongly Coupled to a Nanocavity

被引：42

作者：

Dory, Constantin ^{[1
]}

Fischer, Kevin A. ^{[1
]}

Mueller, Kai ^{[1
]}

Lagoudakis, Konstantinos G. ^{[1
]}

Sarmiento, Tomas ^{[1
]}

Rundquist, Armand ^{[1
]}

Zhang, Jingyuan L. ^{[1
]}

Kelaita, Yousif ^{[1
]}

Vuckovic, Jelena ^{[1
]}

机构：

[1] Stanford Univ, Edward L Ginzton Lab, Stanford, CA 94305 USA

来源：

SCIENTIFIC REPORTS | 2016年 / 6卷

基金：

瑞士国家科学基金会;

关键词：

SPONTANEOUS EMISSION; PHOTONIC CRYSTAL; SINGLE; MICROCAVITY; DYNAMICS;

D O I：

10.1038/srep25172

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Strongly coupled quantum dot-cavity systems provide a non-linear configuration of hybridized light-matter states with promising quantum-optical applications. Here, we investigate the coherent interaction between strong laser pulses and quantum dot-cavity polaritons. Resonant excitation of polaritonic states and their interaction with phonons allow us to observe coherent Rabi oscillations and Ramsey fringes. Furthermore, we demonstrate complete coherent control of a quantum dot-photonic crystal cavity based quantum-bit. By controlling the excitation power and phase in a two-pulse excitation scheme we achieve access to the full Bloch sphere. Quantum-optical simulations are in good agreement with our experiments and provide insight into the decoherence mechanisms.

引用

页数：8

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