子辐射原子阵列与空腔真空强耦合的演示

IF 5.6 2区 物理与天体物理 Q1 OPTICS
Bence Gábor, Adwaith K. Varooli, Dániel Varga, Bálint Sárközi, Árpád Kurkó, András Dombi, Thomas W. Clark, Francis I. B. Williams, David Nagy, András Vukics, Peter Domokos
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引用次数: 0

摘要

通过考虑激光驱动冷原子在非驱动高精细光学谐振腔内的线性散射,我们实验证明了强耦合真空场所特有的效应。将原子排列在相对于辐射波长不相称的晶格中,可以通过相消干涉抑制布拉格散射到腔内:原子阵列在横向照明下服从于腔模式。然而,我们表明,强集体耦合导致激发态谱的剧烈变化,正如在波动强度中良好分辨的真空拉比分裂所证明的那样。此外,我们还证明了在强耦合真空场诱导的拉曼散射下,副辐射阵列的线性散射存在显著的极化旋转。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Demonstration of strong coupling of a subradiant atom array to a cavity vacuum

By considering linear scattering of laser-driven cold atoms inside an undriven high-finesse optical resonator, we experimentally demonstrate effects unique to a strongly coupled vacuum field. Arranging the atoms in an incommensurate lattice with respect to the radiation wavelength, the Bragg scattering into the cavity can be suppressed by destructive interference: the atomic array is subradiant to the cavity mode under transverse illumination. We show however, that strong collective coupling leads to a drastic modification of the excitation spectrum, as evidenced by well-resolved vacuum Rabi splitting in the intensity of the fluctuations. Furthermore, we demonstrate a significant polarization rotation in the linear scattering off the subradiant array via Raman scattering induced by the strongly coupled vacuum field.

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来源期刊
EPJ Quantum Technology
EPJ Quantum Technology Physics and Astronomy-Atomic and Molecular Physics, and Optics
CiteScore
7.70
自引率
7.50%
发文量
28
审稿时长
71 days
期刊介绍: Driven by advances in technology and experimental capability, the last decade has seen the emergence of quantum technology: a new praxis for controlling the quantum world. It is now possible to engineer complex, multi-component systems that merge the once distinct fields of quantum optics and condensed matter physics. EPJ Quantum Technology covers theoretical and experimental advances in subjects including but not limited to the following: Quantum measurement, metrology and lithography Quantum complex systems, networks and cellular automata Quantum electromechanical systems Quantum optomechanical systems Quantum machines, engineering and nanorobotics Quantum control theory Quantum information, communication and computation Quantum thermodynamics Quantum metamaterials The effect of Casimir forces on micro- and nano-electromechanical systems Quantum biology Quantum sensing Hybrid quantum systems Quantum simulations.
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