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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 25 — Dec. 7, 2009
  • pp: 22474–22483

Cryogenic spectroscopy of ultra-low density colloidal lead chalcogenide quantum dots on chip-scale optical cavities towards single quantum dot near-infrared cavity QED

Ranojoy Bose, Jie Gao, James F. McMillan, Alex D. Williams, and Chee Wei Wong  »View Author Affiliations

Optics Express, Vol. 17, Issue 25, pp. 22474-22483 (2009)

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We present evidence of cavity quantum electrodynamics from a sparse density of strongly quantum-confined Pb-chalcogenide nanocrystals (between 1 and 10) approaching single-dot levels on moderately high-Q mesoscopic silicon optical cavities. Operating at important near-infrared (1500-nm) wavelengths, large enhancements are observed from devices and strong modifications of the QD emission are achieved. Saturation spectroscopy of coupled QDs is observed at 77K, highlighting the modified nanocrystal dynamics for quantum information processing.

© 2009 OSA

OCIS Codes
(000.0000) General : General
(000.2700) General : General science

ToC Category:
Quantum Optics

Original Manuscript: August 19, 2009
Revised Manuscript: October 16, 2009
Manuscript Accepted: November 4, 2009
Published: November 23, 2009

Ranojoy Bose, Jie Gao, James F. McMillan, Alex D. Williams, and Chee Wei Wong, "Cryogenic spectroscopy of ultra-low density colloidal lead chalcogenide quantum dots on chip-scale optical cavities towards single quantum dot near-infrared cavity QED," Opt. Express 17, 22474-22483 (2009)

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