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Electrically driven telecommunication wavelength single-photon source

Ward, M. B., Farrow, T., See, P., Yuan, Z. L., Karimov, O. Z., Bennett, Anthony, Shields, A. J., Atkinson, P., Cooper, K. and Ritchie, D. A. 2007. Electrically driven telecommunication wavelength single-photon source. Applied Physics Letters 90 (6) , 063512. 10.1063/1.2472172

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Abstract

An electrically driven ∼1.3μm single-photon source is demonstrated. The source contains InAs quantum dots within a planar cavity light-emitting diode. Electroluminescence (EL) spectra show clear emission lines and from time resolved EL we estimate a primary decay time of ∼1ns. Time-varying Stark shifts are studied and proposed for truncating the emission in jitter-sensitive applications (optimization for 2 ns detector gate width demonstrated) and for relaxing excitation pulse-length requirements. A correlation measurement demonstrates suppression of multiphoton emission to below 28% of the Poissonian level before correction for detector dark counts, suggesting g(2)(0)∼0.19 for the source itself.

Item Type: Article
Date Type: Published Online
Status: Published
Schools: Engineering
Publisher: American Institute of Physics
ISSN: 0003-6951
Date of Acceptance: 9 January 2007
Last Modified: 04 Dec 2017 16:44
URI: http://orca-mwe.cf.ac.uk/id/eprint/106828

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