Cu:Silica Nanocluster Composite Material with Picosecond Third-Order Nonlinear Optical Response.

reportActive / Technical Report | Accession Number: ADA302975 | Open PDF

Abstract:

We report the creation of a novel composite nonlinear optical material by implanting Cu ions in fused silica. The implanted Cu ions aggregate at room temperature to form nm-size polycrystalline clusters in a high-density thin approx. - 150 nm layer just beneath the surface of the substrate. Measurements of the Kerr-type third-order nonlinear susceptibility Chi3 of this material shows that it has a response time no longer than 6ps and a magnitude of order 10exp -8 esu. The nonlinearity is enhanced for laser wavelengths near the surface plasmon resonance of the copper colloids. MM

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