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Optical physics

One ring to multiplex them all

High-speed communication systems that use optical fibres often require hundreds of lasers. An approach that replaces these lasers with a single, ring-shaped optical device offers many technical advantages. See Letter p.274

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Figure 1: Optical-fibre communications using a single laser.


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Correspondence to Victor Torres-Company.

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Torres-Company, V. One ring to multiplex them all. Nature 546, 214–215 (2017).

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