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Scalable Boson Sampling with a Single-photon Device by He, Yu; Su, Zu-En; Huang, He-Liang; Ding, Xing; Qin, Jian; Wang, Can; Unsleber, S.; Chen, Chao; Wang, Hui; He, Yu-Ming; Wang, Xi-Lin; Schneider, Christian; Kamp, Martin; Höfling, Sven; Lu, Chao-Yang; Pan, Jian-Wei is a scholarly article available to read on EtoBox.

What is Scalable Boson Sampling with a Single-photon Device about?

Boson sampling is a problem intractable for classical computers, but can be naturally solved on a specialized photonic quantum simulator which requires less resources than building a universal quantum computer. The biggest challenge to implement boson sampling with a large number of photons has been the lack of reliable single-photon sources. Here we demonstrate a scalable architecture of boson sampling using a solid-state single-photon source with simultaneously high efficiency, purity, and indistinguishability. The single photons are time-bin encoded and interfered in an electrically programmable loop-based network. We implement and validate boson sampling with input three and four single photons, and track the dynamical multi-photon evolution inside the circuit. With further refinement of the system efficiency, our approach may be feasible to be scaled up to >20-boson sampling to outperform classical computers, and thus provide experimental evidence against the Extended Church-Turing Thesis.

Author

He, Yu; Su, Zu-En; Huang, He-Liang; Ding, Xing; Qin, Jian; Wang, Can; Unsleber, S.; Chen, Chao; Wang, Hui; He, Yu-Ming; Wang, Xi-Lin; Schneider, Christian; Kamp, Martin; Höfling, Sven; Lu, Chao-Yang; Pan, Jian-Wei

Published

2016

Language

EN