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Journal Article

Controlling the Phase of a Light Beam with a Single Molecule


Sandoghdar,  Vahid
Sandoghdar Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Pototschnig, M., Chassagneux, Y., Hwang, J., Zumofen, G., Renn, A., & Sandoghdar, V. (2011). Controlling the Phase of a Light Beam with a Single Molecule. Physical Review Letters, 107: 063001. doi:10.1103/PhysRevLett.107.063001.

Cite as: http://hdl.handle.net/21.11116/0000-0002-9A25-7
We employ heterodyne interferometry to investigate the effect of a single organic molecule on the phase of a propagating laser beam. We report on the first phase-contrast images of individual molecules and demonstrate a single-molecule electro-optical phase switch by applying a voltage to the microelectrodes embedded in the sample. Our results may find applications in single-molecule holography, fast optical coherent signal processing, and single-emitter quantum operations.