METHOD AND APPARATUS FOR FAULT-TOLERANT QUANTUM COMMUNICATION BASED ON SOLID-STATE PHOTON EMITTERS |
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| 申请号 | PCT/US2006039632 | 申请日 | 2006-10-11 | 公开(公告)号 | WO2007044759A2 | 公开(公告)日 | 2007-04-19 |
| 申请人 | HARVARD COLLEGE; LUKIN MIKHAIL; CHILDRESS LILIAN I; TAYLOR JACOB M; SORENSON ANDERS S; | 发明人 | LUKIN MIKHAIL; CHILDRESS LILIAN I; TAYLOR JACOB M; SORENSON ANDERS S; | ||||
| 摘要 | A novel method and apparatus for long distance quantum communication in realistic, lossy photonic channels is disclosed. The method uses single emitters of light as intermediate nodes in the channel. One electronic spin and one nuclear spin coupled via the contact hyperfme interaction in each emitter, provide quantum memory and enable active error purification. It is shown that the fixed, minimal physical resources associated with these two degrees of freedom suffice to correct arbitrary errors, making our protocol robust to all realistic sources of decoherence. The method is particularly well suited for implementation using recently-developed solid-state nano-photonic devices. | ||||||
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