Quantum repeaters using orbitals in quantum dot molecules

被引：3
|
作者：
Ohshima, Toshio [1 ]
机构：
[1] Fujitsu Labs Ltd, Atsugi, Kanagawa 2430197, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS | 2016年 / 55卷 / 09期
关键词：
ATOMIC ENSEMBLES; SPONTANEOUS EMISSION; POPULATION TRANSFER; LINEAR OPTICS; ENTANGLEMENT; STATES; COMMUNICATION; CRYPTOGRAPHY; COHERENCE; SYSTEMS;
D O I：
10.7567/JJAP.55.094401
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We propose quantum repeaters using quantum dot molecules, in which matter-photon entanglement is generated by Raman scatterings in lambda systems composed of various coherent exciton levels formed in the ensembles of asymmetric coupled quantum dots. In our scheme, the wavelength of Stokes and anti-Stokes photons can be chosen to fulfill the requirements of optical fiber communication. Further, the relative superposition phase in the entangled states can be stabilized by the active feedback to the gate voltage in quantum dot system. These characteristics are favorable for implementing our scheme in practice. (C) 2016 The Japan Society of Applied Physics
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页数：7
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