Charged quantum dot micropillar system for deterministic light-matter interactions
Quantum dots (QDs) are semiconductor nanostructures in which a three-dimensional potential trap produces an electronic quantum confinement, thus mimicking the behavior of single atomic dipole-like transitions. However, unlike atoms, QDs can be incorporated into solid-state photonic devices such as c...
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| Veröffentlicht in: | Physical review. B 2016-06, Vol.93 (24), Article 241409 |
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| creator | Androvitsaneas, P. Young, A. B. Schneider, C. Maier, S. Kamp, M. Höfling, S. Knauer, S. Harbord, E. Hu, C. Y. Rarity, J. G. Oulton, R. |
| description | Quantum dots (QDs) are semiconductor nanostructures in which a three-dimensional potential trap produces an electronic quantum confinement, thus mimicking the behavior of single atomic dipole-like transitions. However, unlike atoms, QDs can be incorporated into solid-state photonic devices such as cavities or waveguides that enhance the light-matter interaction. A near unit efficiency light-matter interaction is essential for deterministic, scalable quantum-information (QI) devices. In this limit, a single photon input into the device will undergo a large rotation of the polarization of the light field due to the strong interaction with the QD. In this paper we measure a macroscopic (~ 6[degrees]) phase shift of light as a result of the interaction with a negatively charged QD coupled to a low-quality-factor (Q~ 290) pillar microcavity. This unexpectedly large rotation angle demonstrates that this simple low-Q-factor design would enable near-deterministic light-matter interactions. |
| doi_str_mv | 10.1103/PhysRevB.93.241409 |
| format | Article |
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In this paper we measure a macroscopic (~ 6[degrees]) phase shift of light as a result of the interaction with a negatively charged QD coupled to a low-quality-factor (Q~ 290) pillar microcavity. 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| ispartof | Physical review. B, 2016-06, Vol.93 (24), Article 241409 |
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| language | eng |
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| source | American Physical Society Journals |
| subjects | Condensed matter Devices Efficiency Holes Microcavities Photons Quantum dots Semiconductors |
| title | Charged quantum dot micropillar system for deterministic light-matter interactions |
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