报告人：陈永亮 （香港大学物理系）

时 间：2026年10月21日（周三）晚上19:00

地 点：线上- 腾讯会议号：939 642 098

摘要：

固态量子发射体与微纳光学结构的相互作用，是发展量子光源和新型光学传感的重要基础。本报告围绕量子发射体的可控制备、光学传感和复杂光学模态的谱学表征，介绍三方面的代表性研究进展。首先，介绍六方氮化硼（hBN）量子发射体的制备、发光稳定性优化及其与微纳光子结构的集成；其次，展示利用金刚石色心反斯托克斯/斯托克斯发光强度比实现实时纳米温度测量，并介绍基于光学跃迁线宽的低温测温；最后，介绍利用合成复频波重构光学响应，在电子能量损失谱和阴极发光光谱中增强被损耗及背景掩盖的弱共振特征。最后展望固态量子发射体及其量子传感的应用、纳米光子学与集成量子光子器件的交叉研究方向。

简历：

陈永亮博士，现为香港大学物理系博士后研究员。2022年获澳大利亚悉尼科技大学物理科学博士学位，2023年加入香港大学杨易教授团队。研究方向包括固态量子发射体、hBN单光子源、纳米光学、光学传感与自由电子光学。以第一/共同第一作者发表SCI论文13篇，其中中科院一区论文8篇，代表性成果发表于Nature Communications、ACS Nano、Small及ACS Photonics等期刊。获批主持国家自然科学基金青年科学基金项目（C类）等项目。

联系方式：gw@bit.edu.cn

邀请人： 王刚

网 址：http://physics.bit.edu.cn/

承办单位：物理学院、先进光电量子结构设计与测量教育部重点实验室

*Reporter：Dr. Yongliang Chen (Postdoctoral Researcher, The University of Hong Kong)

*Time：7:00 p.m., Wednesday, October 21, 2026

*Place：Tencent Meeting, ID: 939 642 098

*Abstract:

Solid-state quantum emitters provide a versatile platform for quantum light generation and nanoscale sensing, while engineered photonic environments offer new ways to control and probe light–matter interactions. This talk presents three lines of research. First, I will introduce the fabrication and optical engineering of quantum emitters in hexagonal boron nitride (hBN), including strategies to improve their emission stability and integrate them with nanophotonic structures. Second, I will discuss real-time nanoscale thermometry based on the anti-Stokes/Stokes emission intensity ratio of diamond color centers, as well as optical-transition-linewidth-based thermometry at cryogenic temperatures. Third, I will present a synthetic complex-frequency-wave approach that enhances weak resonances obscured by loss and background in electron energy-loss spectroscopy and cathodoluminescence. I will conclude with perspectives on solid-state emitters and their application in quantum sensing, nanophotonics, and integrated quantum photonic devices.

*Profile：Dr. Yongliang Chen is a postdoctoral researcher in the Department of Physics at The University of Hong Kong. He received his Ph.D. in Physical Sciences from the University of Technology Sydney in 2022 and subsequently held a postdoctoral position there. He joined Prof. Yi Yang’s group at HKU in 2023. His research focuses on solid-state quantum emitters, hBN quantum light sources, quantum and nanophotonics, optical sensing, and free-electron spectroscopy. He has published 13 first- or co-first-author SCI papers, including work in Nature Communications, ACS Nano, Small, and ACS Photonics. He leads an approved Young Scientists Fund project (Category C) of the National Natural Science Foundation of China.