AI Article Synopsis
- The research focuses on how two weak light beams interact through a quantum dot-photonic crystal cavity system.
- It demonstrates all-optical switching capabilities, where a pulsed control beam can switch a weak continuous-wave signal.
- The findings indicate that this system allows for rapid and precise optical switching at the level of single photons.
Article Abstract
We study dynamics of the interaction between two weak light beams mediated by a strongly coupled quantum dot-photonic crystal cavity system. First, we perform all-optical switching of a weak continuous-wave signal with a pulsed control beam, and then perform switching between two weak pulsed beams (40 ps pulses). Our results show that the quantum dot-nanocavity system enables fast, controllable optical switching at the single-photon level.
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| http://dx.doi.org/10.1103/PhysRevLett.108.093604 | DOI Listing |
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