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Infrared photodetector

Geometry speaks out

The near-field chirality of a single-symmetry achiral object enables polarization-dependent unidirectional photocurrent generation, and the vectorial output paves a way for a new family of geometric photodetectors.

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Fig. 1: Circularly polarized light detection.


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Correspondence to Zhiming Wang.

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Movsesyan, A., Wang, Z. Geometry speaks out. Nat. Photon. 17, 134–135 (2023).

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