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Optical physics

Optical physics

Sound waves break light transmission reciprocity

30 Jan 2023 Isabelle Dumé
Sound waves manipulate optical waves and break light transmission reciprocity
The “topology-selective Brillouin scattering” effect in chiral photonic crystal fibre. (Courtesy: Science Advances 8 abq6064 10.1126/sciadv.abq6064)
Ordinarily, light transmits the same in both directions: if I can see you, you can see me. Now, howe

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Isabelle Dumé is a contributing editor to Physics World
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