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Proceedings Paper

An analytical approach for evaluating the optical spectrum emitted from a strongly coupled single quantum-dot photonic-crystal cavity system
Author(s): Elahe Ahmadi; Hamid Reza Chalabi; Mehdi Miri; Mina Bayat; Sina Khorasani
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Paper Abstract

A theory is presented for the quantum radiation emitted from a single exciton in a quantum dot. We assume that the quantum dot is in strong coupling to a slab photonic crystal cavity. A dielectric function of spatial coordinates is used to explain the effects of the macroscopic medium. It has been proved that the electric field in such a medium can be described using the so-called K-function. We derive a formula for obtaining the frequency spectrum, and present an analytical result for the optical spectrum, which is dependent on the K-function. We also have considered a slab photonic crystal configuration with hexagonal structure containing a cavity to evaluate the frequency spectrum in such a medium. FDTD method has been used to calculate the generalized-transverse green function and the K-function everywhere in the medium.

Paper Details

Date Published: 24 February 2010
PDF: 9 pages
Proc. SPIE 7609, Photonic and Phononic Crystal Materials and Devices X, 76090F (24 February 2010); doi: 10.1117/12.839540
Show Author Affiliations
Elahe Ahmadi, Sharif Univ. of Technology (Iran, Islamic Republic of)
Hamid Reza Chalabi, Sharif Univ. of Technology (Iran, Islamic Republic of)
Mehdi Miri, Sharif Univ. of Technology (Iran, Islamic Republic of)
Mina Bayat, Sharif Univ. of Technology (Iran, Islamic Republic of)
Sina Khorasani, Sharif Univ. of Technology (Iran, Islamic Republic of)


Published in SPIE Proceedings Vol. 7609:
Photonic and Phononic Crystal Materials and Devices X
Ali Adibi; Shawn-Yu Lin; Axel Scherer, Editor(s)

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