Bragg Polaritons: Strong Coupling and Amplification in an Unfolded Microcavity

A. Askitopoulos, L. Mouchliadis, I. Iorsh, G. Christmann, J. J. Baumberg, M. A. Kaliteevski, Z. Hatzopoulos, and P. G. Savvidis
Phys. Rev. Lett. 106, 076401 – Published 18 February 2011

Abstract

Periodic incorporation of quantum wells inside a one-dimensional Bragg structure is shown to enhance coherent coupling of excitons to the electromagnetic Bloch waves. We demonstrate strong coupling of quantum well excitons to photonic crystal Bragg modes at the edge of the photonic band gap, which gives rise to mixed Bragg polariton eigenstates. The resulting Bragg polariton branches are in good agreement with the theory and allow demonstration of Bragg polariton parametric amplification.

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  • Received 19 October 2010

DOI:https://doi.org/10.1103/PhysRevLett.106.076401

© 2011 American Physical Society

Authors & Affiliations

A. Askitopoulos1, L. Mouchliadis1,2, I. Iorsh3, G. Christmann4, J. J. Baumberg4, M. A. Kaliteevski3, Z. Hatzopoulos1,2, and P. G. Savvidis2,5,*

  • 1Department of Physics, University of Crete, 71003 Heraklion, Crete, Greece
  • 2IESL-FORTH, P.O. Box 1527, 71110 Heraklion, Crete, Greece
  • 3Department of Physics, Durham University, Durham DH1 3BH, United Kingdom
  • 4Cavendish Laboratory, University of Cambridge, Cambridge CB3 0HE, United Kingdom
  • 5Department of Materials Science and Technology, University of Crete, Crete, Greece

  • *Corresponding author. psav@materials.uoc.gr

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Vol. 106, Iss. 7 — 18 February 2011

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