Optomechanical to mechanical entanglement transformation

被引：31
|
作者：
Vacanti, Giovanni [1 ]
Paternostro, Mauro [2 ]
Palma, G. Massimo [3 ,4 ]
Vedral, Vlatko [1 ,5 ]
机构：
[1] Univ Leeds, Sch Phys & Astron, Leeds LS2 9JT, W Yorkshire, England
[2] Queens Univ Belfast, Sch Math & Phys, Belfast BT7 1NN, Antrim, North Ireland
[3] Univ Palermo, Dipartimento Sci Fis & Astron, I-90123 Palermo, Italy
[4] Univ Palermo, NEST CNR INFM, I-90123 Palermo, Italy
[5] Natl Univ Singapore, Ctr Quantum Technol, Singapore 117548, Singapore
来源：
NEW JOURNAL OF PHYSICS | 2008年 / 10卷
关键词：
D O I：
10.1088/1367-2630/10/9/095014
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We present a scheme for generating entanglement between two mechanical oscillators that have never interacted with each other by using an entanglement-swapping protocol. The system under study consists of a Michelson-Morley interferometer comprising mechanical systems embodied by two cantilevers. Each of them is coupled to a field mode via the radiation pressure mechanism. Entanglement between the two mechanical systems is set by measuring the output modes of the interferometer. We also propose a control mechanism for the amount of entanglement based on path-length difference between the two arms.
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页数：12
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