An analytical approach for evaluating the optical spectrum emitted from a strongly coupled single quantum-dot photonic-crystal cavity system

Elahe Ahmadi; Hamid Reza Chalabi; Mehdi Miri; Mina Bayat; Sina Khorasani

doi:10.1117/12.839540

23 February 2010 An analytical approach for evaluating the optical spectrum emitted from a strongly coupled single quantum-dot photonic-crystal cavity system

Elahe Ahmadi, Hamid Reza Chalabi, Mehdi Miri, Mina Bayat, Sina Khorasani

Author Affiliations +

Proceedings Volume 7609, Photonic and Phononic Crystal Materials and Devices X; 76090F (2010) https://doi.org/10.1117/12.839540
Event: SPIE OPTO, 2010, San Francisco, California, United States

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.

Citation Download Citation

Elahe Ahmadi, Hamid Reza Chalabi, Mehdi Miri, Mina Bayat, and Sina Khorasani "An analytical approach for evaluating the optical spectrum emitted from a strongly coupled single quantum-dot photonic-crystal cavity system", Proc. SPIE 7609, Photonic and Phononic Crystal Materials and Devices X, 76090F (23 February 2010); https://doi.org/10.1117/12.839540

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