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Ultrafast intra-excitonic quasiparticle annihilation by exciton-exciton scattering in individually isolated single-walled carbon nanotubes

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Abstract

We present direct experimental measurement of exciton-exciton annihilation as fast photo-bleaching at exactly twice the lowest exciton energy in individually isolated single-walled carbon nanotubes. Exciton-exciton scatterings were rigorously identified by determining the 1s-2p transition using ultrafast mid-infrared intra-excitonic spectroscopy.

© 2013 Optical Society of America

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