Using quantum routers to implement quantum message authentication and Bell-state manipulation

被引：19
|
作者：
Bartkiewicz, Karol [1 ,2 ,3 ]
Cernoch, Antonin [4 ,5 ]
Lemr, Karel [1 ,2 ,3 ]
机构：
[1] Adam Mickiewicz Univ, Fac Phys, PL-61614 Poznan, Poland
[2] Palacky Univ, RCPTM, Joint Lab Opt, CR-77146 Olomouc, Czech Republic
[3] Acad Sci Czech Republ, Inst Phys, CR-77146 Olomouc, Czech Republic
[4] PU, Acad Sci Czech Republ, Inst Phys, Joint Lab Opt, Olomouc 77207, Czech Republic
[5] IP AS CR, Olomouc 77207, Czech Republic
来源：
PHYSICAL REVIEW A | 2014年 / 90卷 / 02期
关键词：
ERROR-CORRECTING CODES; COMMUNICATION;
D O I：
10.1103/PhysRevA.90.022335
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper we investigate the capability of quantum routing (quantum state fusion) to implement two useful quantum communications protocols. The analyzed protocols include quantum authentication of quantum messages and nondestructive linear-optical Bell-state manipulation. We also present the concept of quantum decoupler-a device implementing an inverse operation to quantum routing. We demonstrate that both quantum router and decoupler can work as specialized disentangling gates.
引用
收藏
页数：9
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