Quantum information - Flight of the qubit

被引:6
作者
Polzik, E
机构
[1] Niels Bohr Inst, DK-2100 Copenhagen, Denmark
[2] QUANTOP, DK-2100 Copenhagen, Denmark
关键词
D O I
10.1038/428129a
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
A trapped ion emits a photon. Ion and photon are entangled, so the photon carries away information on the state of the ion. Now realized, this system could become a communication link in a quantum network.
引用
收藏
页码:129 / 130
页数:2
相关论文
共 12 条
[1]   EXPERIMENTAL TESTS OF REALISTIC LOCAL THEORIES VIA BELLS THEOREM [J].
ASPECT, A ;
GRANGIER, P ;
ROGER, G .
PHYSICAL REVIEW LETTERS, 1981, 47 (07) :460-463
[2]   Observation of entanglement between a single trapped atom and a single photon [J].
Blinov, BB ;
Moehring, DL ;
Duan, LM ;
Monroe, C .
NATURE, 2004, 428 (6979) :153-157
[3]   Quantum repeaters:: The role of imperfect local operations in quantum communication [J].
Briegel, HJ ;
Dür, W ;
Cirac, JI ;
Zoller, P .
PHYSICAL REVIEW LETTERS, 1998, 81 (26) :5932-5935
[4]   QUANTUM COMPUTATIONS WITH COLD TRAPPED IONS [J].
CIRAC, JI ;
ZOLLER, P .
PHYSICAL REVIEW LETTERS, 1995, 74 (20) :4091-4094
[5]   EXPERIMENTAL TEST OF LOCAL HIDDEN-VARIABLE THEORIES [J].
FREEDMAN, SJ ;
CLAUSER, JF .
PHYSICAL REVIEW LETTERS, 1972, 28 (14) :938-&
[6]   Experimental long-lived entanglement of two macroscopic objects [J].
Julsgaard, B ;
Kozhekin, A ;
Polzik, ES .
NATURE, 2001, 413 (6854) :400-403
[7]   Generation of spin squeezing via continuous quantum nondemolition measurement [J].
Kuzmich, A ;
Mandel, L ;
Bigelow, NP .
PHYSICAL REVIEW LETTERS, 2000, 85 (08) :1594-1597
[8]   Generation of nonclassical photon pairs for scalable quantum communication with atomic ensembles [J].
Kuzmich, A ;
Bowen, WP ;
Boozer, AD ;
Boca, A ;
Chou, CW ;
Duan, LM ;
Kimble, HJ .
NATURE, 2003, 423 (6941) :731-734
[9]   Experimental demonstration of a robust, high-fidelity geometric two ion-qubit phase gate [J].
Leibfried, D ;
DeMarco, B ;
Meyer, V ;
Lucas, D ;
Barrett, M ;
Britton, J ;
Itano, WM ;
Jelenkovic, B ;
Langer, C ;
Rosenband, T ;
Wineland, DJ .
NATURE, 2003, 422 (6930) :412-415
[10]   Step-by-step engineered multiparticle entanglement [J].
Rauschenbeutel, A ;
Nogues, G ;
Osnaghi, S ;
Bertet, P ;
Brune, M ;
Raimond, JM ;
Haroche, S .
SCIENCE, 2000, 288 (5473) :2024-2028