期刊
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
卷 114, 期 43, 页码 11362-11367出版社
NATL ACAD SCIENCES
DOI: 10.1073/pnas.1711003114
关键词
quantum optics; delayed feedback; photonic quantum computation
资金
- National Science Foundation (NSF)
- Center for Ultracold Atoms
- Air Force Office of Scientific Research via the Multidisciplinary University Research Initiative
- Vannevar Bush Faculty Fellowship
- NSF through a grant for the Institute for Theoretical Atomic, Molecular, and Optical Physics at Harvard University
- Smithsonian Astrophysical Observatory
- Kwanjeong Educational Foundation
- Special Research Program Foundations and Applications of Quantum Science of the Austrian Science Fund
- European Research Council Synergy Grant Ultracold Quantum Matter
- Direct For Mathematical & Physical Scien
- Division Of Physics [1506284] Funding Source: National Science Foundation
We propose and analyze a deterministic protocol to generate two-dimensional photonic cluster states using a single quantum emitter via time-delayed quantum feedback. As a physical implementation, we consider a single atom or atom-like system coupled to a 1D waveguide with a distant mirror, where guided photons represent the qubits, while the mirror allows the implementation of feedback. We identify the class of many-body quantum states that can be produced using this approach and characterize them in terms of 2D tensor network states.
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