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Proceedings Paper

Oriented semiconducting polymer nanostructures: photon statistics and far-field dipole interactions
Author(s): Pradeep Kumar; Adosh Mehta; Predrag Krstic; Michael D. Barnes
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Paper Abstract

We summarize recent experiments probing photon statistics and collective interactions amongst individual z-oriented semiconducting polymer nanostructures. We show that oriented nanostructures from single molecules of a conducting polymer act as highly robust room-temperature single-photon sources. These results suggest the feasibility of an inexpensive "push-button" technology for polymer-based single-photon sources in photonic-based quantum information processing applications. In addition, fluorescence lifetime measurements on pairs of uniformly z-oriented polymer nanostructures that reveal far-field coherent coupling persisting on a distance scale of several optical wavelengths. Farfield photonic coupling between pairs of oriented luminescent polymer nanostructures is manifested by an oscillatory modulation in the fluorescence decay rate as a function of interparticle distance (both enhancement and inhibition of spontaneous luminescence relative to isolated particles), that results from modification of the vacuum field at the position of the probe dipole by the presence of the second radiating dipole.

Paper Details

Date Published: 4 April 2005
PDF: 6 pages
Proc. SPIE 5734, Quantum Dots, Nanoparticles, and Nanoclusters II, (4 April 2005); doi: 10.1117/12.597143
Show Author Affiliations
Pradeep Kumar, Oak Ridge National Lab. (United States)
Adosh Mehta, Oak Ridge National Lab. (United States)
Predrag Krstic, Oak Ridge National Lab. (United States)
Michael D. Barnes, Univ. of Massachusetts/Amherst (United States)


Published in SPIE Proceedings Vol. 5734:
Quantum Dots, Nanoparticles, and Nanoclusters II
Diana L. Huffaker; Pallab K. Bhattacharya, Editor(s)

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