4.8 Article

Two-Photon-Coincidence Fluorescence Spectra of Cavity Multipolaritons: Novel Signatures of Multiexciton Generation

Journal

NANO LETTERS
Volume 10, Issue 10, Pages 4253-4259

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/nl1020969

Keywords

Carrier multiplication; multiexcitons; biexciton; 2D spectroscopy; nanocrystal quantum dots

Funding

  1. AFRL [FA 9453-07-C-0207]
  2. Air Force Office of Scientific Research (AFOSR)
  3. Chemical Sciences, Geosciences, and Biosciences Division, Office of Basic Energy Sciences, Office of Science. U S Department of Energy

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In a simulation study. we show that correlated two-dimensional frequency-resolved fluorescence spectra of a quantum dot in a microcavity provide a sensitive probe for the distribution of multiexcitons Polariton couplings lead to a fine structure of Rabi multiplets that allow us to resolve otherwise overlapping features of the different multiexcitons These may be used to probe multiexciton generation

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