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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 35, Iss. 7 — Apr. 1, 2010
  • pp: 1079–1081

Saturated near-resonant refractive optical nonlinearity in CdTe quantum dots

I. Dancus, V. I. Vlad, A. Petris, N. Gaponik, V. Lesnyak, and A. Eychmüller  »View Author Affiliations


Optics Letters, Vol. 35, Issue 7, pp. 1079-1081 (2010)
http://dx.doi.org/10.1364/OL.35.001079


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Abstract

In this work, we report on an experimental investigation of the nonlinear optical properties near the first electronic resonance of thiol-capped CdTe quantum dots (QDs) being in the strong confinement regime. Using a cw laser excitation in a Z-scan experimental setup, we show the presence of saturated Kerr-type nonlinear optical properties of the QDs, at low intensity levels. The large optical nonlinearity and the control of the linear and nonlinear optical properties by the size of the QDs are of special interest for applications in integrated nanophotonic devices.

© 2010 Optical Society of America

OCIS Codes
(190.4400) Nonlinear optics : Nonlinear optics, materials
(190.4720) Nonlinear optics : Optical nonlinearities of condensed matter
(190.5970) Nonlinear optics : Semiconductor nonlinear optics including MQW

ToC Category:
Nonlinear Optics

History
Original Manuscript: December 18, 2009
Revised Manuscript: January 25, 2010
Manuscript Accepted: February 17, 2010
Published: March 31, 2010

Citation
I. Dancus, V. I. Vlad, A. Petris, N. Gaponik, V. Lesnyak, and A. Eychmüller, "Saturated near-resonant refractive optical nonlinearity in CdTe quantum dots," Opt. Lett. 35, 1079-1081 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-7-1079


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