Deexcitation of dipole emitters in finite ordered charge-sheet structures

Agus Muhamad Hatta, Ali A. Kamli, and M. Babiker
Phys. Rev. A 89, 033816 – Published 11 March 2014

Abstract

Layered structures consisting of finite numbers of charge sheets separating dielectric layers are considered as physically realizable media for the control of dipole deexcitation due to spontaneous emission. The dispersion relation and the corresponding field distributions of a general structure are determined using transfer-matrix techniques. An excited dipole emitter localized in the vicinity of the truncation layer is coupled to the fields supported by such a structure, and its deexcitation rate is evaluated for a number of scenarios in which the structure is characterized by different numbers of charge sheets for varying excitation frequency and varying emitter position. The analysis highlights significant enhancements of the deexcitation rate which can be readily controlled through the adjustable parameters of the structure.

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  • Received 31 October 2013

DOI:https://doi.org/10.1103/PhysRevA.89.033816

©2014 American Physical Society

Authors & Affiliations

Agus Muhamad Hatta1,2,*, Ali A. Kamli1, and M. Babiker3

  • 1Department of Physics, Faculty of Science, Jazan University, P.O. Box 114, Jazan, Saudi Arabia
  • 2Department of Engineering Physics, Institut Teknologi Sepuluh Nopember, Surabaya, Indonesia
  • 3Department of Physics, University of York, Heslington, York YO10 5DD, United Kingdom

  • *ahatta@jazanu.edu.sa

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Vol. 89, Iss. 3 — March 2014

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