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Nonresonant optical nonlinearity of quantum-confined nanocrystals of CuBr in glass

✍ Scribed by B.L. Justus; J.A. Ruller

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
510 KB
Volume
2
Category
Article
ISSN
0925-3467

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✦ Synopsis

The nonlinear optical properties of CuBr quantum dots in borosilicate glass are investigated in the single-photon transparency region. The refractive nonlinear index measured at 750 nm is enhanced by two-photon absorption and is .-~iO~cm 2/W for glasses containing less than 0.5% CuBr. The sign of the nonlinearity is positive, in agreement with recent measurements of the dispersion of the nonlinear index for a wide range of bulk solids.

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✍ Ningjun Wang; Shaul Mukamel πŸ“‚ Article πŸ“… 1994 πŸ› Elsevier Science 🌐 English βš– 558 KB

Nonlinear light scattering and four-wave mixing from N interacting quantum wires are calculated using Green function techniques. Size confinement results in discrete single-and two-photon resonances. The nonlinear signal per wire increases with N for small N, and saturates at large N. Effects of int