1.核壳纳米结构精准制备与光电功能集成
主要研究内容：以经典磁控溅射技术精准制备核壳结构，构建径向异质结，发展新型微纳激光器与探测器阵列。
[1]Yi Ma, Chunxiang Xu, Mengyang Wu, Fumeng Zhang, Xiaoxuan Wang, Jianqi Dong, Qiannan Cui, Zengliang Shi. One-dimensional core/shell radial heterojunction with cascade type-II energy-band alignment for enhanced broadband photodetection[J]. Light: Advanced Manufacturing 5, 40(2024).
[2]Dong, J., Zhang, D., Ma, Y. et al. Plasmon-enhanced self-powered GaN/ZnTe core/shell nanopillar array photodetector. Nano Res. 17, 5569–5577 (2024).
2.感存算一体化光逻辑器件
主要研究内容：以正负光电导的光控切换，构建0、1二进制光电逻辑器件，发展感存算一体化体系。
[1]Zhenhua Zhang, Hao Wei, A. Gowri Manohari, ... ShuZhou Li*, ChunXiang Xu*, In-situ and quantitative vapor/solid anion exchange for composition regulation and optical properties of perovskite. Advanced Optical Materials, 2021, 2002186.
[2]Feng Chen, Zengliang Shi#, Jinping Chen, Qiannan Cui, Aoqun Jian, Yizhi Zhu, Qingyu Xu*, Zhidong Lou*, Chunxiang Xu*, Dynamics of interfacial carriers and negative photoconductance in CH3NH3PbBr3-ZnO heterostructure. Applied Physics Letters, 2021, 118(17), 171901
[3] Yujie Lv, Feng Chen*, Zhenhua Zhang, Jinping Chen, Xiao Tang, Zengliang Shi, Qiannan Cui and Chunxiang Xu*. Ag nanowires assisted CH3NH3PbBr3-ZnO heterostructure with fast negative photoconductive response[J]. Applied Physics Letters ,2022, 121, 061902.
3.超高时空分辨探测与成像技术
主要研究内容：纳米金属、低维材料与生物表界面相互作用与超快检测。
4.光场调控技术与应用
主要研究内容：跳绳光束诱导轨道角动量使得粒子平行于光轴旋转，光镊。
[1] L. Zhu, X. Zhang, G. Rui, J. He, B. Gu*, and Q. Zhan, Optical skipping rope induced transverse OAM for particle orbital motion parallel to the optical axis, Nanophotonics 12, 4351-4359 (2023).
[2]X. Li, G. Rui, J. He, and B. Gu*, Transformation of topological states in three-dimensional photonic crystal under magnetic field modulation, Applied Physics Letters 124, 091105 (2024).
5.非线性光学效应及其应用
主要研究内容：带隙可调的紫磷量子点空间不对称光传输性能的演示，空间自相位调制。
[1]Y. Gao, C. Ling, D. Weng, G. Rui, J. He, and B. Gu*, Demonstration of Spatial Asymmetric Light Propagation Performance Using Violet Phosphorus Quantum Dots with Tunable Bandgap,Laser Photonics Rev. 18, 2301062 (2024).
[2] Y. Gao, C. Ling, D. Weng, G. Rui, J. He, and B. Gu*, All-optical switching based on spatial self-phase modulation of Ag/violet phosphorus heterojunctions, Nanoscale 16, 18046-18055 (2024).
6.手性等离激元表征及应用
主要研究内容：纳米和飞秒尺度手性等离激元与辐射光子局域态密度时空演化动力学过程表征及调控。
[1] S. Zu, Q. Sun, E. Cao, T. Oshikiri and H. Misawa*, Revealing the Chiroptical Response of Plasmonic Nanostructures at the Nanofemto Scale, Nano Letters 21, 4780 (2021).
[2] S. Zu†, T. Han†, M. Jiang, Z. Liu, Q. Jiang, F. Lin, X. Zhu and Z. Fang*, Imaging of Plasmonic Chiral Radiative Local Density of States with Cathodoluminescence Nanoscopy, Nano Letters 19, 775 (2019).
[3] S. Zu†, T. Han†, M. Jiang, F. Lin, X. Zhu and Z. Fang*, Deep-Subwavelength Resolving and Manipulating of Hidden Chirality in Achiral Nanostructures, ACS Nano 12, 3908-3916 (2018).
