Spring 2014

Verification of BosonSampling Devices

Friday, Feb. 28, 2014 2:00 pm2:45 pm PST

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Calvin Lab Auditorium

BosonSampling, which Alex Arkhipov and I proposed several years ago, is a rudimentary, non-universal form of linear-optical quantum computing that nevertheless seems to be intractable to simulate using a classical computer. Unfortunately, verifying that a claimed BosonSampling device is working might itself be an intractable computational problem, and BosonSampling has come in for some criticism on that ground. In this talk, after introducing BosonSampling, I will explain recent polynomial-time classical protocols that distinguish a BosonSampling device from several important "null hypotheses." I will also discuss the possibility of an interactive protocol to verify post-classical computational power in a BosonSampling device.