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Letter

Composite Optical Microcavity of Diamond Nanopillar and Silica Microsphere

Mats Larsson, Khodadad Nima Dinyari and Hailin Wang*

Department of Physics and Oregon Center for Optics, University of Oregon, Eugene, Oregon 97403

Nano Lett., 2009, 9 (4), pp 1447–1450

DOI: 10.1021/nl8032944

Publication Date (Web): March 2, 2009

* Corresponding author, hailin@uoregon.edu.

Abstract

A composite optical microcavity, in which nitrogen vacancy (NV) centers in a diamond nanopillar are coupled to whispering gallery modes in a silica microsphere, is demonstrated. Nanopillars with a diameter as small as 200 nm are fabricated from a bulk diamond crystal by reactive ion etching and are positioned with nanometer precision near the equator of a silica microsphere. The composite nanopillar−microsphere system overcomes the poor controllability of a nanocrystal-based microcavity system and takes full advantage of the exceptional spin properties of NV centers and the ultrahigh quality factor of silica microspheres.

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Published In Issue April 08, 2009
Article ASAPMarch 02, 2009
Received: October 31, 2008

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Letter

Composite Optical Microcavity of Diamond Nanopillar and Silica Microsphere

Abstract

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SciFinder Links

History

Recommend & Share

Related Content

Light Coupling and Modulation in Coupled Nanowire Ring−Fabry-Prot Cavity

Sensitivity of Crescent-Shaped Metal Nanoparticles to Attachment of Dielectric Colloids

Refractive Index Sensing Using Quasi One-Dimensional Nanoslit Arrays

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