High-performance in-vacuum optical system for quantum optics experiments in a Penning-trap

IF 5.6 2区 物理与天体物理 Q1 OPTICS
Joaquín Berrocal, Daniel Rodríguez
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引用次数: 0

Abstract

Accurate measurements with implications in many branches of physics have been accessed using conventional techniques in Penning traps within a temperature regime where each eigenmotion of a charged particle is still a classical harmonic oscillator. Cooling the particle directly or indirectly with lasers allows reaching the quantum regime of each oscillator, controlling subtle effects in the precision frontier by detecting photons instead of electric currents. In this paper, we present a new in-vacuum optical system designed to detect 397-nm fluorescence photons from individual calcium ions and Coulomb crystals in a 7-T Penning trap. Based on the outcome of computer simulations, our design shows diffraction-limited performance. The system has been characterized using a single laser-cooled ion as a point-like source, reaching a final resolution of 3.69(3) μm and 2.75(3) μm for the trap’s axial and radial directions, respectively, after correcting aberrations.

彭宁阱量子光学实验的高性能真空光学系统
在一个带电粒子的每个本征运动仍然是经典谐振子的温度范围内,使用传统技术在Penning陷阱中获得了具有许多物理学分支意义的精确测量。用激光直接或间接地冷却粒子,可以达到每个振荡器的量子状态,通过探测光子而不是电流来控制精密前沿的微妙效应。本文提出了一种新的真空光学系统,用于在7-T Penning阱中检测来自单个钙离子和库仑晶体的397 nm荧光光子。基于计算机模拟的结果,我们的设计显示出衍射限制的性能。该系统采用单一激光冷却离子作为点源,在校正像差后,其轴向和径向的最终分辨率分别达到3.69(3)μm和2.75(3)μm。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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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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