NDLI: Color Tuning and White Light by Dispersing CdSe, CdTe, and CdS in PMMA Nanocomposite Waveguides

Content Provider	IEEE Xplore Digital Library
Author	Gordillo, H. Suarez, I. Abargues, R. Rodriguez-Canto, P. Martinez-Pastor, J. P.
Copyright Year	2009
Abstract	In this paper, active nanocomposite waveguides based on the dispersion of CdS, CdTe, and CdSe colloidal quantum dots (QDs) in PMMA are proposed. Their propagation properties are studied as a function of the concentration of nanoparticles in the polymer using the variable length stripe method. When the three nanostructures are dispersed in the same film, the structure is able to waveguide the three basic colors: red (CdSe), green (CdTe), and blue (CdS), it being possible to engineer any waveguided color by an appropriate choice of the filling factor of each QD in the PMMA matrix. For this purpose, it is important to take into account reabsorption effects and the Förster energy transfer between the different QDs families. As a final application, white waveguided light at the output of the structure is demonstrated. This energy transfer can be also the origin of the surprising observation that initial gain (losses) are much higher (smaller) in these active multinanopaticle waveguides than in single-loaded ones.
Starting Page	2201412
Ending Page	2201412
Page Count	1
File Size	881756
File Format	PDF
ISSN	19430655
Volume Number	5
Issue Number	2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-01-01
Publisher Place	U.S.A.
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical waveguides Absorption Color Polymers Nanoparticles Quantum dots display materials Photonic materials colloidal quantum dots (QDs) optical waveguides
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Electrical and Electronic Engineering

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