Highly Directional Emission of Photons from Nanocrystal Quantum Dots Positioned on Circular Plasmonic Lens Antennas

Moshe G. Harats,Nitzan Livneh,Shira Yochelis,Yossi Paltiel, Ronen Rapaport

Lasers and Electro-Optics（2014）

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摘要

We show enhanced directional emission from nanocrystal quantum dots positioned at the center of a circular plasmonic lens. A collimation with a divergence of only similar to 4 degrees FWHM is achieved, a spectrally broad bandwidth. (C) 2014 Optical Society of America

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关键词

lens antennas,metamaterial antennas,nanophotonics,nanostructured materials,optical collimators,plasmonics,quantum dots,FWHM,circular plasmonic lens antennas,collimation,divergence,highly directional photon emission,nanocrystal quantum dots,spectrally broad bandwidth

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