Superfluid optomechanics with quantised vortices

该项目旨在开发新技术，以前所未有的规模探测和控制超流氦的流动。超流氦是唯一的量子液体，其特征是没有耗散的流动和量子涡旋。利用腔光学力学的技术，该项目旨在展示在量子水平上控制超流氦的性质，包括首次展示激光冷却液体进入量子基态。在这个项目中开发的设备也将作为前所未有的灵敏度为二维超流氦的研究探针。开发的新技术将有可能在科学界得到广泛采用，并产生量子技术和惯性传感器的知识产权和专利。

This project aims to develop new technologies to probe and control the flow of superfluid helium at size-scales never before possible. Superfluid helium is the only quantum liquid, characterised by flow without dissipation and quantised vortices. Leveraging the techniques of cavity optomechanics, this project aims to demonstrate control of superfluid helium properties at the quantum level, including the first demonstration of laser-cooling of a liquid into its quantum ground-state. The devices developed in this project will also serve as probes of unprecedented sensitivity for the study of 2D superfluid helium. The new technologies developed will have potential for broad uptake in the scientific community and generation of intellectual property and patents for quantum technology and inertial sensors.