High performance single photon sources from photolithographically defined pillar microcavities

Bennett, Anthony ORCID: https://orcid.org/0000-0002-5386-3710, Unitt, D. C., Atkinson, P., Ritchie, D. A. and Shields, A. J. 2005. High performance single photon sources from photolithographically defined pillar microcavities. Optics Express 13 (1) , pp. 50-55. 10.1364/OPEX.13.000050

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Abstract

We demonstrate that single photons can be generated from single InAs/GaAs quantum dots in photolithographically defined pillar microcavities. Pillars with a 1.9 µm diameter cavity show a four fold enhancement in the radiative decay rate due to the Purcell effect and a photon collection efficiency into a lens of up to 10%. Measurements of the second order correlation function reveal a greater than fifty fold reduction in the multi-photon emission rate compared to a laser of the same intensity.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Engineering
Additional Information:	© 2005 Optical Society of America. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited.
Publisher:	Optical Society of America
ISSN:	1094-4087
Date of First Compliant Deposit:	5 December 2017
Date of Acceptance:	20 December 2004
Last Modified:	07 May 2023 08:14
URI:	https://orca.cardiff.ac.uk/id/eprint/106825

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