期刊
NATURE PHYSICS
卷 9, 期 11, 页码 727-731出版社
NATURE PORTFOLIO
DOI: 10.1038/NPHYS2763
关键词
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资金
- European Commission [248095, 295293, 323714, 608062]
- ERA-Net CHISTERA project QUASAR
- John Templeton Foundation
- Vienna Center for Quantum Science and Technology (VCQ)
- Austrian Nano-initiative NAP Platon
- Austrian Science Fund (FWF) through the SFB FoQuS [F4006-N16]
- START [Y585-N20]
- doctoral programme CoQuS
- Vienna Science and Technology Fund (WWTF) [ICT12-041]
- Air Force Office of Scientific Research
- Air Force Material Command, United States Air Force [FA8655-11-1-3004]
- Ministry of Education, Singapore
- Singapore National Research Foundation under NRF Award [NRF-NRFF2013-01]
- UK Engineering and Physical Sciences Research Council [EP/E059600/1]
- Austrian Science Fund (FWF) [Y 585, I 754] Funding Source: researchfish
- Engineering and Physical Sciences Research Council [EP/E059600/1] Funding Source: researchfish
- EPSRC [EP/E059600/1] Funding Source: UKRI
Quantum computers are expected to offer substantial speed-ups over their classical counterparts and to solve problems intractable for classical computers. Beyond such practical significance, the concept of quantum computation opens up fundamental questions, among them the issue of whether quantum computations can be certified by entities that are inherently unable to compute the results themselves. Here we present the first experimental verification of quantum computation. We show, in theory and experiment, how a verifier with minimal quantum resources can test a significantly more powerful quantum computer. The new verification protocol introduced here uses the framework of blind quantum computing and is independent of the experimental quantum-computation platform used. In our scheme, the verifier is required only to generate single qubits and transmit them to the quantum computer. We experimentally demonstrate this protocol using four photonic qubits and show how the verifier can test the computer's ability to perform quantum computation.
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