Experimental Blind Quantum Computing for a Classical Client

He-Liang Huang, Qi Zhao, Xiongfeng Ma, Chang Liu, Zu-En Su, Xi-Lin Wang, Li Li, Nai-Le Liu, Barry C. Sanders, Chao-Yang Lu, and Jian-Wei Pan
Phys. Rev. Lett. 119, 050503 – Published 2 August 2017
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Abstract

To date, blind quantum computing demonstrations require clients to have weak quantum devices. Here we implement a proof-of-principle experiment for completely classical clients. Via classically interacting with two quantum servers that share entanglement, the client accomplishes the task of having the number 15 factorized by servers who are denied information about the computation itself. This concealment is accompanied by a verification protocol that tests servers’ honesty and correctness. Our demonstration shows the feasibility of completely classical clients and thus is a key milestone towards secure cloud quantum computing.

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  • Received 13 February 2017

DOI:https://doi.org/10.1103/PhysRevLett.119.050503

© 2017 American Physical Society

Physics Subject Headings (PhySH)

Quantum Information, Science & Technology

Authors & Affiliations

He-Liang Huang1,2,3, Qi Zhao4, Xiongfeng Ma4,*, Chang Liu1,2, Zu-En Su1,2, Xi-Lin Wang1,2, Li Li1,2,†, Nai-Le Liu1,2,‡, Barry C. Sanders1,2,5,6, Chao-Yang Lu1,2,§, and Jian-Wei Pan1,2

  • 1Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui 230026, China
  • 2CAS-Alibaba Quantum Computing Laboratory, CAS Centre for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, China
  • 3Henan Key Laboratory of Quantum Information and Cryptography, Zhengzhou Information Science and Technology Institute, Zhengzhou, Henan 450000, China
  • 4Center for Quantum Information, Institute for Interdisciplinary Information Sciences, Tsinghua University, Beijing 100084, China
  • 5Institute for Quantum Science and Technology, University of Calgary, Alberta T2N 1N4, Canada
  • 6Program in Quantum Information Science, Canadian Institute for Advanced Research, Toronto, Ontario M5G 1M1, Canada

  • *xiongfengma@gmail.com
  • eidos@ustc.edu.cn
  • nlliu@ustc.edu
  • §cylu@ustc.edu.cn

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Issue

Vol. 119, Iss. 5 — 4 August 2017

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