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Exciton storage in semiconductor self-assembled quantum dots.

PubMed
Authors: Lundstrom T, Schoenfeld W, Lee H, Petroff PM

Year

1999

Paper ID

13338

Status

Peer-reviewed

Abstract Read

~2 min

Abstract Words

79

Citations

267

Abstract

Storage and retrieval of excitons were demonstrated with semiconductor self-assembled quantum dots (QDs). The optically generated excitons were dissociated and stored as separated electron-hole pairs in coupled QD pairs. A bias voltage restored the excitons, which recombined radiatively to provide a readout optical signal. The localization of the spatially separated electron-hole pair in QDs was responsible for the ultralong storage times, which were on the order of several seconds. The present limits of this optical storage medium are discussed.

Why This Paper Matters

  • This paper contributes to the Quantum Chemistry research area in the Quantum Articles archive.
  • It adds a 1999 reference point for readers tracking recent quantum research.
  • Storage and retrieval of excitons were demonstrated with semiconductor self-assembled quantum dots (QDs).

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References & Citation Signals

[1] DOI https://doi.org/10.1126/science.286.5448.2312 [2] Publisher https://pubmed.ncbi.nlm.nih.gov/10600734/

Local Citation Graph (Related-Paper Links)

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External citation index: OpenAlex citation signal • updated 2026-10-22 12:10:14

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