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Whispering-gallery exciton polaritons in submicron spheres.

Platts, C.E. and Kaliteevski, M.A. and Brand, S. and Abram, R.A. and Iorsh, I.V. and Kavokin, A.V. (2009) 'Whispering-gallery exciton polaritons in submicron spheres.', Physical Review B, 79 (24). p. 245322.


We show that a semiconductor sphere with a radius comparable with the wavelength of light at the exciton resonance frequency can behave as a high-quality three-dimensional microcavity or "polariton dot." We obtain numerical results for gallium arsenide submicron spheres and demonstrate that, in contrast to a larger sphere or planar microcavity, they can simultaneously possess both large quality factor and high finesse. In the strong-coupling regime the Rabi splitting approaches the bulk polariton splitting.</p>.

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Publisher statement:© 2009 The American Physical Society
Record Created:04 Mar 2011 13:05
Last Modified:15 Mar 2011 11:41

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