Universal photonic quantum computation via time-delayed feedback

被引：127
作者：
Pichler, Hannes [1 ,2 ]
Choi, Soonwon [2 ]
Zoller, Peter [3 ,4 ]
Lukin, Mikhail D. [2 ]
机构：
[1] Harvard Smithsonian Ctr Astrophys, Inst Theoret Atom Mol & Opt Phys, 60 Garden St, Cambridge, MA 02138 USA
[2] Harvard Univ, Dept Phys, Cambridge, MA 02138 USA
[3] Univ Innsbruck, Inst Theoret Phys, A-6020 Innsbruck, Austria
[4] Austrian Acad Sci, Inst Quantum Opt & Quantum Informat, A-6020 Innsbruck, Austria
来源：
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA | 2017年 / 114卷 / 43期
基金：
美国国家科学基金会; 奥地利科学基金会; 欧洲研究理事会;
关键词：
quantum optics; delayed feedback; photonic quantum computation; ARTIFICIAL ATOM; STATE TRANSFER; OPTICS;
D O I：
10.1073/pnas.1711003114
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
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.
引用
收藏
页码：11362 / 11367
页数：6
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