Generating entangled superpositions of macroscopically distinguishable states within a parametric oscillator

被引：17

作者：

De Martini, F ^{[1
]}

Fortunato, M

Tombesi, P

Vitali, D

机构：

[1] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy

[2] Ist Nazl Fis Mat, Pisa, Italy

[3] Univ Camerino, Dipartimento Matemat & Fis, I-62032 Camerino, Italy

来源：

PHYSICAL REVIEW A | 1999年 / 60卷 / 02期

关键词：

D O I：

10.1103/PhysRevA.60.1636

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We suggest a variant of the recently proposed experiment for the generation of a kind of mesoscopic superposition quantum state (a Schrodinger-cat-type state), using two coupled parametric down-converter nonlinear crystals [F. De Martini, Phys. Rev. Lett. 81, 2842 (1998)]. We study the parametric oscillator case and find that an entangled Schrodinger-cat-type state of two cavities, whose mirrors are placed along the output beams of the nonlinear crystals, can be realized under suitable conditions. [S1050-2947(99)06408-2].

引用

页码：1636 / 1651

页数：16

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