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We demonstrate two-photon interference using two remote organic molecules as bright solid-state sources of indistinguishable photons. By varying the transition frequency and spectral width of one molecule, we explore the effect of photon distinguishability.
We report the implementation of a single-molecule optical transistor and show that it can coherently attenuate and amplify a freely propagating laser beam.
This work demonstrates stimulated emission from a single dye molecule and shows that it can coherently attenuate and amplify a freely propagating laser beam. The first report of stimulated emission from a single emitter in free space is presented and a single emitter can serve as a nanometer-sized optical transistor is shown.
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.
We combined high resolution laser spectroscopy and microscopy to identify individual molecules in two independent microscopes. Then the Stark effect was exploited to tune the transition frequencies of the molecules and thus obtain indistinguishable single photons.
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