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Twisted bilayer photonic crystals dynamically tune light's handedness
- March 11, 2026 at 7:30 PM
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Researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have created a chip-scale device that can dynamically control the "handedness" of light as it passes through—also known as its optical chirality—with a simple twist of two specially designed photonic crystals. The study is published in the journal Optica.
Originally published at Phys.org