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Quantum optics

Quantum optics

Nonlinear optical quantum-computing scheme makes a comeback

29 Aug 2016 Hamish Johnston
Photograph of Daniel Brod and Joshua Combes
Quantum duo: Daniel Brod (left) and Joshua Combes have faith in cross-Kerr nonlinearities. (Courtesy: Perimeter Institute for Theoretical Physics)
A debate that has been raging for 20 years about whether a certain interaction between photons can

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Hamish Johnston is an online editor of Physics World
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