Dr. Tongjun Liu is a Postdoctoral Associate in Physics Department at Yale University. His research interest includes metamaterials and metasurfaces, pico-/nano-photonics, and quantum (nano-)optomechanics. He has published more than 10 papers including Nature Physics, Nature Materials, Science Advances, Nano Letters and etc. He is the recipient of The Sir David Payne Student Scholar Award and 2022 ORC Future Photonics Leaders Awards.