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Integrated nanophotonics

Two in one

Implementing stable lasers often requires complex packaging of multiple devices, such as stand-alone external cavities and isolators. Now, stabilizing and isolating lasers can be realized in a single silicon chip thanks to the Kerr nonlinear effect in a resonator.

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Fig. 1: Simultaneous isolation and self-injection locking in a nonlinear ring resonator.

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Correspondence to Firooz Aflatouni.

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Idjadi, M.H., Aflatouni, F. Two in one. Nat. Photon. 18, 1236–1237 (2024). https://doi.org/10.1038/s41566-024-01584-y

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