个人简介

  李志曈，2021年5月份博士毕业于美国德克萨斯大学达拉斯分校，同年7月入职北京邮电大学理学院物理系。本人研究方向为微纳光子学器件，包括：(1)钙钛矿微型、纳型激光器的理论设计、仿真模拟、加工和光学表征；(2)有源双曲超材料的理论模拟、加工和光学表征；(3)III-V族材料拓扑激光器的理论仿真、加工和光学表征。(4)片上光神经网络的理论计算和实验。

科研项目

 1.国家自然科学基金青年项目，12404424，基于非厄米特性调控拓扑片上微腔激光器输出性能的研究，2025-1 至 2027-12，30万元

 2.信息光子学与光通信国家重点实验室, 自由探索性课题, IPOC2023ZT03，基于双曲超材料的光学双稳态器件，2023-6 至 2025-05，10万元

代表性科研论文

· Zhitong Li, X.-W. Luo, D. Lin, A. Gharajeh, J. Guo, C. Zhang and Q. Gu, “Topological microlaser from non-Hermitian topological bulk”, Phys. Rev. Lett. 131, 023202 (2023).

· Zhitong Li, J. Moon, A. Gharajeh, R. Haroldson, R. Hawkins, W. Hu, A. Zakhidov, and Q. Gu, “Room-temperature continuous-wave operation of organometal halide perovskite lasers,” ACS nano, vol. 12, no. 11, pp. 10968-10976 (2018).

· Zhitong Li, J. Smalley, R. Haroldson, D. Lin, R. Hawkins, A. Gharajeh, J. Moon, J. Hou, C. Zhang, W. Hu, A. Zakhidov, and Q. Gu, “Active Perovskite Hyperbolic Metasurface,” ACS Photonics, vol.7, no. 7, pp. 1745 (2020).

· Zhitong Li*, X.-W. Luo, and Q. Gu, “Topological on-chip lasers”, APL Photonics 8, 070901 (2023).

· Zhitong Li*, and Qing Gu, “Topological hyperbolic metamaterials”, Nanophotonics 13，825-839  (2024).

· Zhitong Li*, Sichao Shan, Shengrun Hu, Yazhou Gu, Xueqiang Ji, and Junpeng Hou, “Ultralow-threshold dual-wavelength optical bistability from perovskite hyperbolic metasurface and its application in photonic neural network”, Optical Materials Express 14, 1398-1407 (2024).

· J. Hou, Zhitong Li, X. W. Luo, Q. Gu and Chuanwei Zhang, “Topological Bands and Triply Degenerate Points in Non-Hermitian Hyperbolic Metamaterials,” Phys. Rev. Lett. 124, 073603 (2020).

· J. Hou, Zhitong Li, Q. Gu, and C. Zhang, “Topological and hyperbolic dielectric materials from chirality-induced charge-parity symmetry” Phys. Rev. A 104, 043510 (2021).

指导研究生和本科生发表的论文

· Yuqing Yang, Tianyue Zhang, Jieyun Yan, Peigang Li and Zhitong Li*, “Topologically-protected optical bistability based on two-dimensional photonic crystal L6 nanocavity dimer array.” Optics Express, Vol. 32, No. 16，pp. 28462-28471 (2024).

· Xiaoting Sang, Junpeng Hou, Yazhou Gu, Ya-jie Wu, and Zhitong Li*, “All-dielectric photonic higher-order topological insulator induced by a staggered bianistropy”, Physical Review A 109, 6, 063518 (2024).

· Yazhou Gu, Zheng-mei Yang*, and Zhitong Li*, “Field Manupulations in On-chip micro/nanoscale lasers based on colloid nanocrystals” nanomaterials, 13, 3069 (2023).

· Li Yun-Heng, Yu Ke, Zhu Tian-Yu, Yu Tong, Shan Si-Chao, Gu Ya-Zhou, Li Zhi-Tong*. Optical bistability in topological layered structure and its application in photonic neural network. Acta Phys. Sin., Vol. 73, No.16, p.164208 (2024). (北邮大二本科生一作)

学生培养

  目前每年可招收硕士研究生一名，硕士研究生可选择的课题包括：(1)拓扑片上激光器的理论计算和实验表征；(2)片上光神经网络的仿真和实验。