Near-field optical microscopy with a nanodiamond-based single photon tip

Details Near-field optical microscopy with a nanodiamond-based single photon tip Near-field optical microscopy with a nanodiamond-based single photon tip

2009-09-08

arxiv.org/abs/0909.1457v1

Opt. Express 17, 19969 (2009)

Physics

Optics

submitted to Optics Express

Scientific paper

10.1364/OE.17.019969

We introduce a point-like scanning single-photon source that operates at room temperature and offers an exceptional photostability (no blinking, no bleaching). This is obtained by grafting in a controlled way a diamond nanocrystal (size around 20 nm) with single nitrogen-vacancy color-center occupancy at the apex of an optical probe. As an application, we image metallic nanostructures in the near-field, thereby achieving a near-field scanning single-photon microscopy working at room temperature on the long term. Our work may be of importance to various emerging fields of nanoscience where an accurate positioning of a quantum emitter is required such as for example quantum plasmonics.

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