Journal
PHYSICAL REVIEW LETTERS
Volume 119, Issue 12, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.119.120504
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Funding
- Core Research for Evolutional Science and Technology of Japan Science and Technology Agency [JPMJCR15N5]
- Advanced Photon Science Alliance
- Japan Society for the Promotion of Science
- Grants-in-Aid for Scientific Research [17H01150] Funding Source: KAKEN
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We propose a scalable scheme for optical quantum computing using measurement-induced continuous-variable quantum gates in a loop-based architecture. Here, time-bin-encoded quantum information in a single spatial mode is deterministically processed in a nested loop by an electrically programmable gate sequence. This architecture can process any input state and an arbitrary number of modes with almost minimum resources, and offers a universal gate set for both qubits and continuous variables. Furthermore, quantum computing can be performed fault tolerantly by a known scheme for encoding a qubitin an infinite-dimensional Hilbert space of a single light mode.
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