Mesoscopic cavity quantum electrodynamics with quantum dots

By L. Childress, Anders Søndberg Sørensen, Mikhail D. Lukin. 2003

189 citations recorded by the source corpus.

We describe an electrodynamic mechanism for coherent, quantum-mechanical coupling between spatially separated quantum dots on a microchip. The technique is based on capacitive interactions between the electron charge and a superconducting transmission line resonator, and is closely related to atomic cavity quantum electrodynamics. We investigate several potential applications of this technique which have varying degrees of complexity. In particular, we demonstrate that this mechanism allows design and investigation of an on-chip double-dot microscopic maser. Moreover, the interaction may be extended to couple spatially separated electron-spin states while only virtually populating fast-decaying superpositions of charge states. This represents an effective, controllable long-range interaction, which may facilitate implementation of quantum information processing with electron-spin qubits and potentially allow coupling to other quantum systems such as atomic or superconducting qubits.

Subfields: Artificial Intelligence, Atomic and Molecular Physics, and Optics

View Paper: https://www.semanticscholar.org/paper/486c496a3c1efc825eb4eed78cc50ad77f219870

How researchers see this paper

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In Artificial Intelligence

1. Franco Nori
2. Sahel Ashhab
3. J. You
4. Z. Xiang
5. I. Georgescu
6. Shannon Whitlock
7. M. Morgado
8. Yu-xi Liu

In Atomic and Molecular Physics, and Optics

1. Sahel Ashhab
2. Franco Nori
3. J. You
4. Z. Xiang
5. I. Georgescu
6. K. Bliokh
7. Yu-xi Liu
8. Adam Miranowicz

Citations in the corpus

• Hybrid quantum circuits: Superconducting circuits interacting with other quantum systems (2012, methodology): “In addition, quantum dots can also be integrated into a CPW resonator and coupled to the electromagnetic field in the resonator (Childress et al., 2004), as shown in Fig.”