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Proceedings Paper

Cavity-QED with quantum dots in oxide-apertured micropillars
Author(s): Cristian Bonato; Jan Gudat; Evert van Nieuwenburg; Morten Bakker; Gareth Beirne; Susanna M. Thon; Hyochul Kim; Tuan-Ahn Truong; Trey Suntrup; Pierre Petroff; Martin van Exter; Dirk Bouwmeester
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Paper Abstract

We describe quantum information schemes involving photon polarization and the spin of a single electron trapped in a self-assembled quantum dot. Such schemes are based on spin-selective reflection in the weak-coupling regime of cavity quantum electrodynamics. We discuss their practical implementation in oxide-apertured micropillar cavities. We introduce a technique, based on the creation of small surface defects by means of a focused intense laser beam, to permanently tune the optical properties of the microcavity without damaging the cavity quality. This technique allows low-temperature polarization-selective tuning of the frequencies of the cavity modes and the quantum dot optical transitions.

Paper Details

Date Published: 24 February 2012
PDF: 11 pages
Proc. SPIE 8272, Advances in Photonics of Quantum Computing, Memory, and Communication V, 827212 (24 February 2012); doi: 10.1117/12.907911
Show Author Affiliations
Cristian Bonato, Huygens Lab., Leiden Institute of Physics (Netherlands)
Jan Gudat, Huygens Lab., Leiden Institute of Physics (Netherlands)
Evert van Nieuwenburg, Huygens Lab., Leiden Institute of Physics (Netherlands)
Morten Bakker, Huygens Lab., Leiden Institute of Physics (Netherlands)
Gareth Beirne, Huygens Lab., Leiden Institute of Physics (Netherlands)
Susanna M. Thon, Univ. of California, Santa Barbara (United States)
Hyochul Kim, Univ. of California, Santa Barbara (United States)
Univ. of Maryland, College Park (United States)
Tuan-Ahn Truong, Huygens Lab., Leiden Institute of Physics (Netherlands)
Trey Suntrup, Huygens Lab., Leiden Institute of Physics (Netherlands)
Pierre Petroff, Huygens Lab., Leiden Institute of Physics (Netherlands)
Martin van Exter, Huygens Lab., Leiden Institute of Physics (Netherlands)
Dirk Bouwmeester, Huygens Lab., Leiden Institute of Physics (Netherlands)


Published in SPIE Proceedings Vol. 8272:
Advances in Photonics of Quantum Computing, Memory, and Communication V
Zameer Ul Hasan; Philip R. Hemmer; Hwang Lee; Charles M. Santori, Editor(s)

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