Strong optical nonlinearities and laser emission of semiconductor microcrystals

V. S. Dneprovskii; Victor I Klimov; D. K. Okorokov; Yu V. Vandyshev

doi:10.1016/0038-1098(92)90504-3

Strong optical nonlinearities and laser emission of semiconductor microcrystals

V. S. Dneprovskii, Victor I Klimov, D. K. Okorokov, Yu V. Vandyshev

Los Alamos National Laboratory

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

45 Citations (Scopus)

Abstract

Changes in the transmission of quasi-zero-dimensional CdSe microcrystals (quantum dots) induced by ultrashort laser pulses were investigated with picosecond time resolution. The transitions between the energy levels of electrons and holes spatially confined within microcrystals were observed as bleaching bands in nonlinear transmission spectra. Gain registered at the transitions between the lowest levels of size quantization in microcrystals allowed to achieve the regime of laser generation in Fabry-Perot resonator made of glass containing semiconductor microcrystals.

Original language	English
Pages (from-to)	227-230
Number of pages	4
Journal	Solid State Communications
Volume	81
Issue number	3
DOIs	https://doi.org/10.1016/0038-1098(92)90504-3
Publication status	Published - 1992

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics

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AU - Dneprovskii, V. S.

AU - Klimov, Victor I

AU - Okorokov, D. K.

AU - Vandyshev, Yu V.

PY - 1992

Y1 - 1992

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AB - Changes in the transmission of quasi-zero-dimensional CdSe microcrystals (quantum dots) induced by ultrashort laser pulses were investigated with picosecond time resolution. The transitions between the energy levels of electrons and holes spatially confined within microcrystals were observed as bleaching bands in nonlinear transmission spectra. Gain registered at the transitions between the lowest levels of size quantization in microcrystals allowed to achieve the regime of laser generation in Fabry-Perot resonator made of glass containing semiconductor microcrystals.

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Strong optical nonlinearities and laser emission of semiconductor microcrystals

Abstract

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