Phonon Laser in the Quantum Regime

被引：16

作者：

Behrle, T. ^{[1
]}

Nguyen, T. L. ^{[1
,4
]}

Reiter, F. ^{[1
,2
]}

Baur, D. ^{[1
]}

de Neeve, B. ^{[1
]}

Stadler, M. ^{[1
]}

Marinelli, M. ^{[1
,5
]}

Lancellotti, F. ^{[1
]}

Yelin, S. F. ^{[2
]}

Home, J. P. ^{[1
,3
]}

机构：

[1] Swiss Fed Inst Technol, Inst Quantum Elect, Otto Stern Weg 1, CH-8093 Zurich, Switzerland

[2] Harvard Univ, 17 Oxford St, Cambridge, MA 02138 USA

[3] Swiss Fed Inst Technol, Quantwn Ctr, CH-8093 Zurich, Switzerland

[4] QuantX Labs Pty Ltd, Adelaide, SA, Australia

[5] JILA, Boulder, CO USA

来源：

PHYSICAL REVIEW LETTERS | 2023年 / 131卷 / 04期

基金：

瑞士国家科学基金会; 欧盟地平线“2020”;

关键词：

STATE; DRIVEN; INSULATOR; PHASES;

D O I：

10.1103/PhysRevLett.131.043605

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We demonstrate a trapped-ion system with two competing dissipation channels, implemented independently on two ion species cotrapped in a Paul trap. By controlling coherent spin-oscillator couplings and optical pumping rates we explore the phase diagram of this system, which exhibits a regime analogous to that of a (phonon) laser but operates close to the quantum ground state with an average phonon number of (n) over bar < 10. We demonstrate phase locking of the oscillator to an additional resonant drive, and also observe the phase diffusion of the resulting state under dissipation by reconstructing the quantum state from a measurement of the characteristic function.

引用

页数：6

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