onesimpleprinciple.com

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Prototype device enables photon-photon interactions at room temperature for quantum computing

https://m.phys.org/news/2017-06-prototype-device-enables-photon-photon-interactions.html

"Ordinarily, light particles—photons—don't interact. If two photons collide in a vacuum, they simply pass through each other."

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""This work is quite remarkable and unique because it shows strong light-matter interaction, localization of light, and relatively long-time storage of photons at such a tiny scale in a semiconductor," says Mohammad Soltani, a nanophotonics researcher in Raytheon BBN Technologies' Quantum Information Processing Group. "It can enable things that were questionable before, like nonlinear single-photon gates for quantum information. It works at room temperature, it's solid-state, and it's compatible with semiconductor manufacturing. This work is among the most promising to date for practical devices, such as quantum information devices.""
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