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Improved fidelity of triggered entangled photons from single quantum dots

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Improved fidelity of triggered entangled photons from single quantum dots. / Young, Robert J.; Stevenson, R. Mark; Atkinson, Paola et al.
In: New Journal of Physics, Vol. 8, No. 2, 29, 23.02.2006.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Young, RJ, Stevenson, RM, Atkinson, P, Cooper, K, Ritchie, DA & Shields, AJ 2006, 'Improved fidelity of triggered entangled photons from single quantum dots', New Journal of Physics, vol. 8, no. 2, 29. https://doi.org/10.1088/1367-2630/8/2/029

APA

Young, R. J., Stevenson, R. M., Atkinson, P., Cooper, K., Ritchie, D. A., & Shields, A. J. (2006). Improved fidelity of triggered entangled photons from single quantum dots. New Journal of Physics, 8(2), Article 29. https://doi.org/10.1088/1367-2630/8/2/029

Vancouver

Young RJ, Stevenson RM, Atkinson P, Cooper K, Ritchie DA, Shields AJ. Improved fidelity of triggered entangled photons from single quantum dots. New Journal of Physics. 2006 Feb 23;8(2):29. doi: 10.1088/1367-2630/8/2/029

Author

Young, Robert J. ; Stevenson, R. Mark ; Atkinson, Paola et al. / Improved fidelity of triggered entangled photons from single quantum dots. In: New Journal of Physics. 2006 ; Vol. 8, No. 2.

Bibtex

@article{f5f494d8183741cd8be1047ab618e4a0,
title = "Improved fidelity of triggered entangled photons from single quantum dots",
abstract = "We demonstrate the triggered emission of polarization-entangled photon pairs from the biexciton cascade of a single InAs quantum dot embedded in a GaAs/AlAs planar microcavity. Improvements in the sample design blue shifts the wetting layer to reduce the contribution of background light in the measurements. Results presented show that > 70% of the detected photon pairs are entangled. The high fidelity of the (|HXXHX) + |VXXVX])/root 2 state that we determine is sufficient to satisfy numerous tests for entanglement. The improved quality of entanglement represents a significant step towards the realization of a practical quantum dot source compatible with applications in quantum information.",
keywords = "FINE-STRUCTURE, PAIRS, CONVERSION",
author = "Young, {Robert J.} and Stevenson, {R. Mark} and Paola Atkinson and Ken Cooper and Ritchie, {David A.} and Shields, {Andrew J.}",
year = "2006",
month = feb,
day = "23",
doi = "10.1088/1367-2630/8/2/029",
language = "English",
volume = "8",
journal = "New Journal of Physics",
issn = "1367-2630",
publisher = "IOP Publishing Ltd",
number = "2",

}

RIS

TY - JOUR

T1 - Improved fidelity of triggered entangled photons from single quantum dots

AU - Young, Robert J.

AU - Stevenson, R. Mark

AU - Atkinson, Paola

AU - Cooper, Ken

AU - Ritchie, David A.

AU - Shields, Andrew J.

PY - 2006/2/23

Y1 - 2006/2/23

N2 - We demonstrate the triggered emission of polarization-entangled photon pairs from the biexciton cascade of a single InAs quantum dot embedded in a GaAs/AlAs planar microcavity. Improvements in the sample design blue shifts the wetting layer to reduce the contribution of background light in the measurements. Results presented show that > 70% of the detected photon pairs are entangled. The high fidelity of the (|HXXHX) + |VXXVX])/root 2 state that we determine is sufficient to satisfy numerous tests for entanglement. The improved quality of entanglement represents a significant step towards the realization of a practical quantum dot source compatible with applications in quantum information.

AB - We demonstrate the triggered emission of polarization-entangled photon pairs from the biexciton cascade of a single InAs quantum dot embedded in a GaAs/AlAs planar microcavity. Improvements in the sample design blue shifts the wetting layer to reduce the contribution of background light in the measurements. Results presented show that > 70% of the detected photon pairs are entangled. The high fidelity of the (|HXXHX) + |VXXVX])/root 2 state that we determine is sufficient to satisfy numerous tests for entanglement. The improved quality of entanglement represents a significant step towards the realization of a practical quantum dot source compatible with applications in quantum information.

KW - FINE-STRUCTURE

KW - PAIRS

KW - CONVERSION

U2 - 10.1088/1367-2630/8/2/029

DO - 10.1088/1367-2630/8/2/029

M3 - Journal article

VL - 8

JO - New Journal of Physics

JF - New Journal of Physics

SN - 1367-2630

IS - 2

M1 - 29

ER -