Strong coupling of a quantum dot molecule to a photonic crystal cavity

被引：10
|
作者：
Vora, Patrick M. [1 ,2 ]
Bracker, Allan S. [3 ]
Carter, Samuel G. [3 ]
Kim, Mijin [4 ]
Kim, Chul Soo [3 ]
Gammon, Daniel [3 ]
机构：
[1] George Mason Univ, Dept Phys & Astron, Fairfax, VA 22030 USA
[2] George Mason Univ, Quantum Mat Ctr, Fairfax, VA 22030 USA
[3] Naval Res Lab, Washington, DC 20375 USA
[4] Sotera Def Solut Inc, Columbia, MD 21046 USA
来源：
PHYSICAL REVIEW B | 2019年 / 99卷 / 16期
关键词：
Anisotropic exchange - Cavity polaritons - Exciton transition energy - Photonic crystal cavities - Quantum dot molecules - Strong coupling - Transition strengths - Vacuum Rabi splitting;
D O I：
10.1103/PhysRevB.99.165420
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Quantum dot molecules (QDMs) have widely tunable exciton transition energies and transition strengths that can be controlled with an applied electric field. We use these properties to demonstrate in situ tuning of the vacuum Rabi splitting for a quantum dot molecule embedded in a photonic crystal cavity. Both components of the anisotropic exchange doublet have a component parallel to the cavity and are strongly coupled. This produces two QDM-cavity polaritons with properties dominated by the cavity and a third mixed-spin hybrid state with little cavity component and unusual polarization.
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页数：5
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