Nature Photonics spoke to Zongfu Yu and Shanhui Fan from Stanford University about their proposed 'one-way valve for light' that suits integration on a photonic silicon chip.
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Pile, D. On-chip optical isolation. Nature Photon 3, 116 (2009). https://doi.org/10.1038/nphoton.2008.287
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DOI: https://doi.org/10.1038/nphoton.2008.287