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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Editor: Henry van Driel
  • Vol. 27, Iss. 6 — Jun. 1, 2010
  • pp: A21–A24

Single-photon emission by semiconductor quantum rings in a photonic crystal

E. Gallardo, L. J. Martínez, A. K. Nowak, D. Sarkar, D. Sanvitto, H. P. van der Meulen, J. M. Calleja, I. Prieto, D. Granados, A. G. Taboada, J. M. García, and P. A. Postigo  »View Author Affiliations

JOSA B, Vol. 27, Issue 6, pp. A21-A24 (2010)

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Photon correlation measurements on single In As Ga As quantum rings embedded in a photonic crystal lattice demonstrate single-photon emission with g ( 2 ) ( 0 ) values of 0.4 and photon antibunching between the exciton and biexciton emissions. The measured photon antibunching times of the excitons are longer than that of the biexcitons, resulting in the time asymmetry of the exciton–biexciton photon cross-correlation. Phonon sidebands due to the piezoelectric coupling of excitons to acoustic phonons broaden the emission lines and shift them to lower energies at low excitation intensity.

© 2010 Optical Society of America

OCIS Codes
(030.5290) Coherence and statistical optics : Photon statistics
(160.6000) Materials : Semiconductor materials
(160.5298) Materials : Photonic crystals

ToC Category:
Quantum Light Sources

Original Manuscript: December 2, 2009
Revised Manuscript: January 20, 2010
Manuscript Accepted: January 21, 2010
Published: March 5, 2010

E. Gallardo, L. J. Martínez, A. K. Nowak, D. Sarkar, D. Sanvitto, H. P. van der Meulen, J. M. Calleja, I. Prieto, D. Granados, A. G. Taboada, J. M. García, and P. A. Postigo, "Single-photon emission by semiconductor quantum rings in a photonic crystal," J. Opt. Soc. Am. B 27, A21-A24 (2010)

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