Abstract
This paper reports on the fabrication and measurement of metal-coated nanoparticles that exhibit plasmon resonant enhancement of nonlinear optical properties. There has been a great deal of interest in recent years in the application of semiconductor doped glasses (SDG) to nonlinear optical devices. However, the figure of merit for device performance was found to be marginal. Metal coating of the semiconductor nanoparticles is predicted1,2 to lead, to orders of magnitude enhancement of the figure of merit. The resonance wavelengths are tuned by control of the metal-coating thickness. We report here on the linear and nonlinear optical properties of a series of glasses with nanoparticles of silver-coated sodium (silver)-halide crystallites produced by tire photochromie process.3,4 The thickness of silver coating is controlled by the photochromie process.
© 1993 Optical Society of America
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