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NANOPHOTONICS

Chiral quantum optics goes electric

The local polarization of light in nanophotonic waveguides changes with the light’s direction of propagation. By electrically controlling the polarization of optically created waveguide-coupled excitons in a two-dimensional semiconductor, researchers demonstrate voltage-controlled routing of photons in an integrated nanophotonic device.

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Fig. 1: Electrically tunable chiral waveguide interface.

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Correspondence to Arno Rauschenbeutel or Philipp Schneeweiss.

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Rauschenbeutel, A., Schneeweiss, P. Chiral quantum optics goes electric. Nat. Photon. 16, 261–262 (2022). https://doi.org/10.1038/s41566-022-00982-4

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