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25 July 2003 Twin photons from small quantum dots
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Proceedings Volume 4986, Physics and Simulation of Optoelectronic Devices XI; (2003)
Event: Integrated Optoelectronics Devices, 2003, San Jose, CA, United States
Due to the large energy splitting of the single-electron levels in a small quantum dot, only one single electron level and one single hole level can be made resonant with the levels in the conduction band and valence band. This results in a closed system with nine distinct levels, which are split by the Coulomb interactions. We show that flat and tall cylindrically symmetric dots have level schemes with different selection rules. In both cases entangled photon pairs can be efficiently produced.
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Paul M. Visser, Klaas Allaart, and Daan Lenstra "Twin photons from small quantum dots", Proc. SPIE 4986, Physics and Simulation of Optoelectronic Devices XI, (25 July 2003);

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