Single-walled carbon nanotubes as excitonic optical wires

Daniel Y. Joh, Jesse Kinder, Lihong H. Herman, Sang-Yong Ju, Michael A. Segal, Jeffreys N. Johnson, Garnet K.L. Chan, Jiwoong Park

Research output: Contribution to journalArticle

54 Citations (Scopus)

Abstract

Although metallic nanostructures are useful for nanoscale optics, all of their key optical properties are determined by their geometry. This makes it difficult to adjust these properties independently, and can restrict applications. Here we use the absolute intensity of Rayleigh scattering to show that single-walled carbon nanotubes can form ideal optical wires. The spatial distribution of the radiation scattered by the nanotubes is determined by their shape, but the intensity and spectrum of the scattered radiation are determined by exciton dynamics, quantum-dot-like optical resonances and other intrinsic properties. Moreover, the nanotubes display a uniform peak optical conductivity of ∼8 e2/h, which we derive using an exciton model, suggesting universal behaviour similar to that observed in nanotube conductance. We further demonstrate a radiative coupling between two distant nanotubes, with potential applications in metamaterials and optical antennas.

Original languageEnglish
Pages (from-to)51-56
Number of pages6
JournalNature Nanotechnology
Volume6
Issue number1
DOIs
Publication statusPublished - 2011 Jan 1

Fingerprint

Single-walled carbon nanotubes (SWCN)
Nanotubes
nanotubes
carbon nanotubes
wire
Wire
Excitons
excitons
Optical conductivity
Radiation
optical resonance
Rayleigh scattering
Metamaterials
radiation
Spatial distribution
Semiconductor quantum dots
Nanostructures
Optics
spatial distribution
antennas

All Science Journal Classification (ASJC) codes

  • Bioengineering
  • Atomic and Molecular Physics, and Optics
  • Biomedical Engineering
  • Materials Science(all)
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Cite this

Joh, D. Y., Kinder, J., Herman, L. H., Ju, S-Y., Segal, M. A., Johnson, J. N., ... Park, J. (2011). Single-walled carbon nanotubes as excitonic optical wires. Nature Nanotechnology, 6(1), 51-56. https://doi.org/10.1038/nnano.2010.248
Joh, Daniel Y. ; Kinder, Jesse ; Herman, Lihong H. ; Ju, Sang-Yong ; Segal, Michael A. ; Johnson, Jeffreys N. ; Chan, Garnet K.L. ; Park, Jiwoong. / Single-walled carbon nanotubes as excitonic optical wires. In: Nature Nanotechnology. 2011 ; Vol. 6, No. 1. pp. 51-56.
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Joh, DY, Kinder, J, Herman, LH, Ju, S-Y, Segal, MA, Johnson, JN, Chan, GKL & Park, J 2011, 'Single-walled carbon nanotubes as excitonic optical wires', Nature Nanotechnology, vol. 6, no. 1, pp. 51-56. https://doi.org/10.1038/nnano.2010.248

Single-walled carbon nanotubes as excitonic optical wires. / Joh, Daniel Y.; Kinder, Jesse; Herman, Lihong H.; Ju, Sang-Yong; Segal, Michael A.; Johnson, Jeffreys N.; Chan, Garnet K.L.; Park, Jiwoong.

In: Nature Nanotechnology, Vol. 6, No. 1, 01.01.2011, p. 51-56.

Research output: Contribution to journalArticle

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Joh DY, Kinder J, Herman LH, Ju S-Y, Segal MA, Johnson JN et al. Single-walled carbon nanotubes as excitonic optical wires. Nature Nanotechnology. 2011 Jan 1;6(1):51-56. https://doi.org/10.1038/nnano.2010.248