The DOI matches its Crossref record; 31 of the 31 references it cites were found in a registry or an index.
Spin-resolved quantum-dot resonance fluorescence
Open accessAbstract
Two experiments observe the so-called ‘Mollow triplet’ in the emission spectrum of a quantum dot—originating from resonantly driving a dot transition—and demonstrate the potential of these systems to act as single-photon sources and as a readout modality for electron-spin states. Confined spins in self-assembled semiconductor quantum dots promise to serve both as probes for studying mesoscopic physics in the solid state and as stationary qubits for quantum-information science1,2,3,4,5,6,7. Moreover, the excitations of self-assembled quantum dots can interact with near-infrared photons, providing an interface between stationary and ‘flying’ qubits. Here, we report the observation of spin-selective photon emission from a resonantly driven quantum-dot transition. The Mollow triplet8 in the scattered photon spectrum—the hallmark of resonance fluorescence when an optical transition is driven resonantly—is presented as a natural way to spectrally isolate the photons of interest from the original driving field. We also demonstrate that the relative frequencies of the two spin-tagged photon states can be tuned independent of an applied magnetic field through the spin-selective dynamic Stark effect, induced by the same driving laser. This demonstration should be a step towards the realization of challenging tasks such as electron-spin readout, heralded single-photon generation for linear-optics quantum computing and spin–photon entanglement.
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Cites
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Cited by
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Self-citationOn-demand semiconductor single-photon source with near-unity indistinguishability
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Self-citationOn-demand generation of indistinguishable polarization-entangled photon pairs
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Prospects for Spin-Based Quantum Computing in Quantum Dots
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Metadata
- Authors
- Nick Vamivakas, A., Zhao, Y., Lu, C.-Y., & Atatüre, M.
- Venue
- Nature Physics
- Published
- 2009-01-25
- Volume
- 5
- Issue
- 3
- Pages
- 198-202
- ISSN
- 1745-2473 (ISSN-L)
- 1745-2481
- OpenAlex
- W4234591309
- Cited by
- 292
- References
- 31
- FWCI
- 11.71
- Type
- journal article
- Language
- en
- Open access
- bronze
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