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Mesoscale Engineering of Nanocomposite Nonlinear Optical Materials

Published online by Cambridge University Press:  10 February 2011

R. F. Haglund Jr.
Affiliation:
Vanderbilt University, Nashville TN 37235
C. N. Afonso
Affiliation:
Instituta de Optica, CSIC, Madrid, Spain
L. C. Feldman
Affiliation:
Vanderbilt University, Nashville TN 37235
F. Gonella
Affiliation:
CNR-INFM, Universitá di Padova, Padova, Italy
G. Luepke
Affiliation:
Vanderbilt University, Nashville TN 37235
R. H. Magruder
Affiliation:
Vanderbilt University, Nashville TN 37235
P. Mazzoldi
Affiliation:
CNR-INFM, Universitá di Padova, Padova, Italy
D. H. Osborne
Affiliation:
Vanderbilt University, Nashville TN 37235
J. Solis
Affiliation:
Instituta de Optica, CSIC, Madrid, Spain
R. A. Zuhr
Affiliation:
Oak Ridge National Laboratory, Oak Ridge, TN 37831
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Abstract

Complex nonlinear optical materials comprising elemental, compound or alloy quantum dots embedded in appropriate dielectric or semiconducting hosts may be suitable for deployment in photonic devices. Ion implantation, ion exchange followed by ion implantation, and pulsed laser deposition have all been used to synthesize these materials. However, the correlation between the parameters of energetic-beam synthesis and the nonlinear optical properties is still very rudimentary when one starts to ask what is happening at nanoscale dimensions. Systems integration of corplex nonlinear optical materials requires that the mesoscale materials science be well understood within the context of device structures. We discuss the effects of beam energy and energy density on quantum-dot size and spatial distribution, thermal conductivity, quantum-dot composition, crystallinity and defects — and, in turn, on the third-order optical susceptibility of the composite material. Examples from recent work in our laboratories are used to illustrate these effects.

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