Composite Optical Microcavity of Diamond Nanopillar and Silica Microsphere

被引：111
作者：
Larsson, Mats
Dinyari, Khodadad Nima
Wang, Hailin [1 ]
机构：
[1] Univ Oregon, Dept Phys, Eugene, OR 97403 USA
来源：
NANO LETTERS | 2009年 / 9卷 / 04期
基金：
瑞典研究理事会;
关键词：
WHISPERING-GALLERY MODES; PHOTONIC CRYSTAL MICROCAVITIES; NUCLEAR-SPIN QUBITS; SINGLE SPINS; NANOCRYSTALS;
D O I：
10.1021/nl8032944
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
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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收藏
页码：1447 / 1450
页数：4
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