Quantum-Limited Amplification via Reservoir Engineering

被引：106

作者：

Metelmann, A. ^{[1
]}

Clerk, A. A. ^{[1
]}

机构：

[1] McGill Univ, Dept Phys, Montreal, PQ H3A 2T8, Canada

来源：

PHYSICAL REVIEW LETTERS | 2014年 / 112卷 / 13期

关键词：

NOISELESS LINEAR AMPLIFICATION; PARAMETRIC AMPLIFICATION; FLUCTUATIONS; INFORMATION; MOTION; ANALOG; BAND;

D O I：

10.1103/PhysRevLett.112.133904

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We describe a new kind of phase-preserving quantum amplifier which utilizes dissipative interactions in a parametrically coupled three-mode bosonic system. The use of dissipative interactions provides a fundamental advantage over standard cavity-based parametric amplifiers: large photon number gains are possible with quantum-limited added noise, with no limitation on the gain-bandwidth product. We show that the scheme is simple enough to be implemented both in optomechanical systems and in superconducting microwave circuits.

引用

页数：5

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