Controlling the angular emission of a single molecule


Gersen, Henk-Jan and Garcia-Parajo, Maria F. and Veerman, Joost-Anne and Kuipers, L. (Kobus) and Hulst, Niek F. van (2000) Controlling the angular emission of a single molecule. In: Quantum Electronics and Laser Science Conference, QELS 2000, 7-12 May 2000, San Francisco (pp. pp. 16-17).

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Abstract:Summary form only given. A single fluorescent molecule in an isotropic medium acts as a dipole radiator. In a locally heterogeneous environment the angular emission pattern is modified. Recently Novotny (1996) calculated strongly peaked angular emission when the emitter is brought in close proximity to a strong dielectric-metal gradient. We believe we present the first direct observation of this prediction; moreover we show that manipulating the field gradient on a nanometric scale can control the emission direction. Single molecules are detected in near-field optical arrangement.
Item Type:Conference or Workshop Item
Copyright:© 2000 IEEE
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