Amplification of a laser beam by a single molecule

The amplification of light by a single excited molecule in free space is demonstrated in this paper. The extinction effect is the result of a destructive interference between the incident laser beam and the coherently scattered light from the molecule in the ground state. Thus, inversion of the popu...

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Bibliographic Details
Main Authors: Pototschnig, M., Hwang, J., Zumofen, G., Lettow, R., Renn, A., Gotzinger, S., Sandoghdar, V.
Format: Conference Proceeding
Language:English
Subjects:
Laser beams
Laser excitation
Laser theory
Laser tuning
Light scattering
Optical pumping
Optical scattering
Pump lasers
Resonance light scattering
Stimulated emission
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Summary:The amplification of light by a single excited molecule in free space is demonstrated in this paper. The extinction effect is the result of a destructive interference between the incident laser beam and the coherently scattered light from the molecule in the ground state. Thus, inversion of the population should lead to a phase shift of the scattered light and amplification of the laser light.
ISSN:2160-9004
DOI:10.1364/IQEC.2009.IThH5