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Modelling quantum dots in conventional and annular III-V micro-pillar micro-cavities for single-photon sources

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5 Author(s)
Ho, Y.-L.D. ; Dept. of Electr. & Electron. Eng., Bristol Univ., UK ; Cryan, M.J. ; Craddock, I.J. ; Railton, C.J.
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We analyze micro-pillar micro-cavities of III-V semiconductor materials and propose a new type of micro-pillar micro-cavity based on an annular geometry using 3-D finite-difference time-domain (FDTD) method. A dipole source in the cavity region models a single quantum-dot source. We find strong modifications to the dipole emission due to the small modal volume and high Q-factor. We then discuss application to the development of efficient single-photon sources for use in quantum information processing.

Published in:

Nanotechnology, 2004. 4th IEEE Conference on

Date of Conference:

16-19 Aug. 2004

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