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Quantum light

Sound tunes single-photon source

Controlling the transport of charge carriers between two semiconductor nanostructures using an acoustic wave yields a high-repetition-rate source of single photons with tunable emission energy.

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Figure 1: The application of a SAW to a quantum well.


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Cunningham, J. Sound tunes single-photon source. Nature Photon 3, 611–612 (2009).

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