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Semiconductor optics

Excitons dance as light conducts

Ultrafast laser fields are able to widely tune the physical properties of semiconductors by generating virtual states. Using strong fields at energies below the optical bandgap, control of excitons in two-dimensional semiconductors has now been demonstrated.

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Fig. 1: Pump–probe measurement of excitons in WS2.


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Correspondence to Ioannis Paradisanos or Bernhard Urbaszek.

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The authors declare no competing interests.

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Paradisanos, I., Urbaszek, B. Excitons dance as light conducts. Nat. Phys. 19, 149–150 (2023).

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