Quantum nano-optomechanical devices

量子纳米光机械器件

• 批准号: 493807-2016
• 负责人: Barclay, Paul
• 金额: $ 13.99万
• 依托单位: University of Calgary
• 依托单位国家: 加拿大
• 项目类别: Strategic Projects - Group
• 财政年份: 2017
• 资助国家: 加拿大
• 起止时间: 2017-01-01 至 2018-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=642096
• 关键词: Quantum; nano; optomechanical; devices

Optomechanical devices couple light to the motion of mechanical resonators, and are central to seminal observations of fundamental phenomena spanning nano- to macroscopic scales. An example of the latter is the spectacular observation of gravitational waves by LIGO. At the nanoscale, optomechanical devices have recently enabled the first observation of a mechanical resonator that is laser cooled to its quantum mechanical ground state, where quantum effects influence its mechanical motion. Nanoscale quantum optomechanical devices also have tremendous practical potential. They are particularly suited for sensing applications that convert a force or field into motion of a mechanical oscillator. However, to date, a quantum limited optomechanical device has never been used for such applications. This is in part due to the technical challenges associated with creating optomechanical devices that are sufficiently isolated from noise for quantum effects to limit their performance, and in part due to the difficulty of connecting these devices to conventional fiber or free-space optical components and measurement tools. This proposal describes a partnership to solve these challenges, by building upon unique and world-leading nanofabrication and experimental capabilities developed by the applicants and an industrial partner during the past three years. It will develop and demonstrate optomechanical devices whose sensitivity to quantum effects is harnessed for sensing applications, and will solve the critical problems preventing the adoption of these devices by the broader optical and nanomechanical sensor communities. En-route to developing these devices, nanofabrication and device integration technology will be developed that can be applied to a wide range of quantum platforms. This includes cryogenic technology and diamond based components of interest to the team's industrial partner. Devices developed during this project will also be used to for spin-phonon transduction and actuation, and as nanomagnetic sensors. These devices will advance development of quantum technology, an emerging field that has significant potential to dramatically impact Canada's economy.

光学机械装置将光耦合到机械谐振器的运动，并且是对跨越纳米到宏观尺度的基本现象的开创性观察的核心。后者的一个例子是LIGO对引力波的壮观观测。在纳米尺度上，光学机械设备最近首次观察到机械谐振器，该谐振器被激光冷却到其量子力学基态，量子效应影响其机械运动。纳米级量子光机械器件也具有巨大的实用潜力。它们特别适合将力或场转换为机械振荡器运动的传感应用。然而，迄今为止，量子受限的光机械器件从未被用于这样的应用。这部分是由于与创建与量子效应的噪声充分隔离以限制其性能的光机械设备相关联的技术挑战，部分是由于将这些设备连接到传统光纤或自由空间光学组件和测量工具的困难。该提案描述了一种解决这些挑战的伙伴关系，该伙伴关系建立在申请人和工业合作伙伴在过去三年中开发的独特的世界领先的纳米纤维和实验能力的基础上。它将开发和展示光机械设备，其对量子效应的敏感性被用于传感应用，并将解决阻止更广泛的光学和纳米机械传感器社区采用这些设备的关键问题。在开发这些设备的过程中，将开发可应用于各种量子平台的纳米纤维和设备集成技术。这包括团队的工业合作伙伴感兴趣的低温技术和基于金刚石的组件。在这个项目中开发的器件也将用于自旋-声子转换和驱动，以及作为纳米磁性传感器。这些设备将推动量子技术的发展，这是一个新兴领域，有可能对加拿大经济产生重大影响。