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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 7 — Apr. 1, 2012
  • pp: 1259–1261

Resonance in quantum dot fluorescence in a photonic bandgap liquid crystal host

Svetlana G. Lukishova, Luke J. Bissell, Justin Winkler, and C. R. Stroud, Jr.  »View Author Affiliations


Optics Letters, Vol. 37, Issue 7, pp. 1259-1261 (2012)
http://dx.doi.org/10.1364/OL.37.001259


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Abstract

Microcavity resonance is demonstrated in nanocrystal quantum dot fluorescence in a one-dimensional (1D) chiral photonic bandgap cholesteric-liquid crystal host under cw excitation. The resonance demonstrates coupling between quantum dot fluorescence and the cholesteric microcavity. Observed at a band edge of a photonic stop band, this resonance has circular polarization due to microcavity chirality with 4.9 times intensity enhancement in comparison with polarization of the opposite handedness. The circular-polarization dissymmetry factor ge of this resonance is 1.3. We also demonstrate photon antibunching of a single quantum dot in a similar glassy cholesteric microcavity. These results are important in cholesteric-laser research, in which so far only dyes were used, as well as for room-temperature single-photon source applications.

© 2012 Optical Society of America

OCIS Codes
(230.3720) Optical devices : Liquid-crystal devices
(160.5293) Materials : Photonic bandgap materials

ToC Category:
Optical Devices

History
Original Manuscript: November 23, 2011
Revised Manuscript: February 4, 2012
Manuscript Accepted: February 17, 2012
Published: March 30, 2012

Citation
Svetlana G. Lukishova, Luke J. Bissell, Justin Winkler, and C. R. Stroud, "Resonance in quantum dot fluorescence in a photonic bandgap liquid crystal host," Opt. Lett. 37, 1259-1261 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-7-1259

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