Quantum phononics with 2D materials

二维材料的量子声子学

• 批准号: 2344279
• 金额: --
• 依托单位: University of Cambridge
• 依托单位国家: 英国
• 项目类别: Studentship
• 财政年份: 2018
• 资助国家: 英国
• 起止时间: 2018 至 无数据
• 项目状态: 已结题
• 来源: https://gtr.ukri.org/projects?ref=studentship-2344279
• 关键词: Quantum; phononics; 2D; materials

This PhD will develop a device for coupling light (photons), matter (spins) and motion (phonons) using transition-metal-dichalcogenide (TMD) monolayers. Such a device would provide the basic building block for preparing and controlling arbitrary quantum states of phonons; enabling different quantum systems to be connected via a phonon bus - overcoming a major problem facing the implementation of quantum-based computing and implementing quantum-assisted force sensing. The student will aim to develop freely suspended TMD mechanical oscillators (MOs) with high mechanical quality-factors (a vital pre-requisite for creating phonons with high quantum coherence) and probe their mechanical properties. This would open up the unique and exciting prospect of coupling phonons with optically active quantum emitters (these are essentially "artificial atoms") hosted within TMDs that the group has been recently exploring.

该博士将开发一种使用过渡金属二硫属化物（TMD）单层耦合光（光子），物质（自旋）和运动（声子）的设备。这样的设备将提供用于制备和控制声子的任意量子态的基本构建块;使不同的量子系统能够通过声子总线连接-克服实现基于量子的计算和实现量子辅助力传感所面临的主要问题。学生的目标是开发具有高机械质量因子的自由悬挂TMD机械振荡器（MO）（这是创建具有高量子相干性的声子的重要先决条件）并探测其机械特性。这将打开一个独特的和令人兴奋的前景耦合声子与光学活性量子发射器（这些基本上是“人造原子”）托管在TMD，该小组最近一直在探索。