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Conference Paper

Metallodielectric Optical Antennas for Ultrabright Single-Photon Sources

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Chen,  Xue-Wen
Sandoghdar Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Sandoghdar,  Vahid
Sandoghdar Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Chen, X.-W., Agio, M., & Sandoghdar, V. (2012). Metallodielectric Optical Antennas for Ultrabright Single-Photon Sources. In FIFTH INTERNATIONAL WORKSHOP ON THEORETICAL AND COMPUTATIONAL NANO-PHOTONICS (TACONA-PHOTONICS 2012) (pp. 44-46). 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USA: AMER INST PHYSICS.


Cite as: http://hdl.handle.net/11858/00-001M-0000-002D-6941-7
Abstract
We report on a new class of optical antennas that shorten the excited-state lifetime of optical emitters down to 100 fs in a broad spectral range, while maintaining quantum efficiencies as high as 80%. We combine metal nanoparticles with dielectric structures and exploit concepts from plasmonics and cavity quantum electrodynamics to maximize the local density of states and suppress dissipation losses in the metal. Our findings bring about the prospect of single-photon sources at the mu W power level and promise significant impact on other research fields, including photophysics, ultrafast plasmonics, and Raman spectroscopy.