Ultrafast dynamic holography in nanocrystal solids

B. Kraabel; A. Malko; J. Hollingsworth; V. I. Klimov

doi:10.1063/1.1358365

Ultrafast dynamic holography in nanocrystal solids

B. Kraabel, A. Malko, J. Hollingsworth, V. I. Klimov

Los Alamos National Laboratory

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Abstract

We report efficient dynamic gratings in close-packed solids of CdSe nanocrystals. These gratings are formed on the subpicosecond time scale and have diffraction efficiencies up to 0.5% for film thicknesses of ∼0.5 μm. Nanocrystal solids combine the best features of inorganic semiconductors (large resonant nonlinearities and high photostability) and organic semiconducting polymers (chemical flexibility and tunability of optical properties by simple synthetic means). Additionally, nanocrystal solids allow precise control over the spectral position of the nonlinear optical response by simply varying the size of the nanocrystals used in fabricating the solid (quantum confinement effect).

Original language	English
Pages (from-to)	1814-1816
Number of pages	3
Journal	Applied Physics Letters
Volume	78
Issue number	13
DOIs	https://doi.org/10.1063/1.1358365
Publication status	Published - Mar 26 2001

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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AU - Klimov, V. I.

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N2 - We report efficient dynamic gratings in close-packed solids of CdSe nanocrystals. These gratings are formed on the subpicosecond time scale and have diffraction efficiencies up to 0.5% for film thicknesses of ∼0.5 μm. Nanocrystal solids combine the best features of inorganic semiconductors (large resonant nonlinearities and high photostability) and organic semiconducting polymers (chemical flexibility and tunability of optical properties by simple synthetic means). Additionally, nanocrystal solids allow precise control over the spectral position of the nonlinear optical response by simply varying the size of the nanocrystals used in fabricating the solid (quantum confinement effect).

AB - We report efficient dynamic gratings in close-packed solids of CdSe nanocrystals. These gratings are formed on the subpicosecond time scale and have diffraction efficiencies up to 0.5% for film thicknesses of ∼0.5 μm. Nanocrystal solids combine the best features of inorganic semiconductors (large resonant nonlinearities and high photostability) and organic semiconducting polymers (chemical flexibility and tunability of optical properties by simple synthetic means). Additionally, nanocrystal solids allow precise control over the spectral position of the nonlinear optical response by simply varying the size of the nanocrystals used in fabricating the solid (quantum confinement effect).

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