Tuning photonic nanocavities by atomic force microscope nano-oxidation

The authors demonstrate a technique to achieve high-precision tuning of photonic crystal nanocavities by atomic force microscope nano-oxidation of the cavity surface. Relative tuning between two nanocavity modes is achieved though careful choice of the oxide pattern, allowing them to restore the spe...

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Bibliographic Details
Published in:Applied physics letters 2006-07, Vol.89 (4), p.041118-041118-3
Main Authors: Hennessy, K., Högerle, C., Hu, E., Badolato, A., Imamoğlu, A.
Format: Article
Language:English
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Summary:The authors demonstrate a technique to achieve high-precision tuning of photonic crystal nanocavities by atomic force microscope nano-oxidation of the cavity surface. Relative tuning between two nanocavity modes is achieved though careful choice of the oxide pattern, allowing them to restore the spectral degeneracy conditions necessary to create polarization-entangled quantum states. Tuning steps less than the linewidth ( 1 Å ) of the high quality factor modes are obtained, allowing for virtually continuous tuning ability.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.2236954