Mechanisms for optical nonlinearity and dynamics of photoexcited carriers in semiconductor nanocrystals

femtosecond nonlinear transmission study

Victor I Klimov, S. Hunsche, H. Kurz

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The paper reports on time-resolved nonlinear transmission measurements of CdSe nanocrystals (NCs) excited by femtosecond laser pulses with photon energies 2 and 4 eV. The dynamics of differential transmission spectra (DTS) in case of 2-eV excitation is explained in terms of the transition from two- to one-electron-hole-pair state. The DTS recorded for 4-eV excitation indicate a transient red shift of the lowest optical transition attributed to Coulomb two-pair interaction.

Original languageEnglish
Title of host publicationEuropean Quantum Electronics Conference - Technical Digest
PublisherIEEE
Pages209-210
Number of pages2
Publication statusPublished - 1994
EventProceedings of the 5th European Quantum Electronics Conference - Amsterdam, Neth
Duration: Aug 28 1994Sep 2 1994

Other

OtherProceedings of the 5th European Quantum Electronics Conference
CityAmsterdam, Neth
Period8/28/949/2/94

Fingerprint

Nanocrystals
Semiconductor materials
Optical transitions
Electron transitions
Ultrashort pulses
Photons
Electrons

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Klimov, V. I., Hunsche, S., & Kurz, H. (1994). Mechanisms for optical nonlinearity and dynamics of photoexcited carriers in semiconductor nanocrystals: femtosecond nonlinear transmission study. In European Quantum Electronics Conference - Technical Digest (pp. 209-210). IEEE.

Mechanisms for optical nonlinearity and dynamics of photoexcited carriers in semiconductor nanocrystals : femtosecond nonlinear transmission study. / Klimov, Victor I; Hunsche, S.; Kurz, H.

European Quantum Electronics Conference - Technical Digest. IEEE, 1994. p. 209-210.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Klimov, VI, Hunsche, S & Kurz, H 1994, Mechanisms for optical nonlinearity and dynamics of photoexcited carriers in semiconductor nanocrystals: femtosecond nonlinear transmission study. in European Quantum Electronics Conference - Technical Digest. IEEE, pp. 209-210, Proceedings of the 5th European Quantum Electronics Conference, Amsterdam, Neth, 8/28/94.
Klimov VI, Hunsche S, Kurz H. Mechanisms for optical nonlinearity and dynamics of photoexcited carriers in semiconductor nanocrystals: femtosecond nonlinear transmission study. In European Quantum Electronics Conference - Technical Digest. IEEE. 1994. p. 209-210
Klimov, Victor I ; Hunsche, S. ; Kurz, H. / Mechanisms for optical nonlinearity and dynamics of photoexcited carriers in semiconductor nanocrystals : femtosecond nonlinear transmission study. European Quantum Electronics Conference - Technical Digest. IEEE, 1994. pp. 209-210
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