主要从事电磁超材料（Metamaterials）的前沿探索和应用基础研究，在宇称-时间对称超材料、拓扑超材料等方面完成了一系列富有特色的工作。目前共发表SCI论文60多篇（第一作者或通讯作者论文共19篇，第二作者论文7篇），其中Phys. Rev. Lett. 3篇（其中2篇为第一作者）, Nat. Commun. 1篇（第二作者）。论文在SCI被总共他引436次，其中2014年发表的第一作者Phys. Rev. Lett.已被他引190余次（截至202003），是ESI高引用论文。获授权发明专利4项（其中第一完成人1项）。曾受Nat. Comm.、APL、OE/OL等近10种杂志邀请审稿，并多次在国际国内会议上做邀请报告。目前主持国家自然科学基金委面上项目2项，上海市自然科学基金项目（探索类）1项；完成国家自然科学基金委青年基金、中国博士后基金、上海市博士后基金各1项。
1. Y. Sun#, D. Leykam#, S. Nenni, D. Song, H. Chen, Y. D. Chong, and Z. Chen*, "Observation of Valley Landau-Zener-Bloch Oscillations and Pseudospin Imbalance in Photonic Graphene," Phys. Rev. Lett. 121, 033904 (2018).
2. Y. Sun, W. Tan, H.-q. Li, J. Li*, and H. Chen*, "Experimental demonstration of a coherent perfect absorber with PT phase transition," Phys. Rev. Lett. 112, 143903 (2014).
3. W. Zhu, Y.-q. Ding, J. Ren, Y. Sun*, Y. Li, H. Jiang, and H. Chen*, "Zak phase and band inversion in dimerized one-dimensional locally resonant metamaterials," Phys. Rev. B 97, 195307 (2018).
4. J. Jiang, Z. Guo, Y. Ding, Y. Sun*, Y. Li, H. Jiang, and H. Chen*, "Experimental demonstration of the robust edge states in a split-ring-resonator chain," Opt. Express 26, 12891-12902 (2018).
5. K. Zhu, Y. Sun*, J. Ren*, and H. Chen, "Loss revives bistable state near the exceptional point in a non-Hermitian microwave photonic meta-molecule," New Journal of Physics 19, 063043 (2017).
6. Y. Hu, W. Liu, Y. Sun*, X. Shi, J. Jiang, Y. Yang, S. Zhu, J. Evers, and H. Chen, "Electromagnetically-induced-transparency–like phenomenon with resonant meta-atoms in a cavity," Phys. Rev. A 92, 053824 (2015).
7. W. Tan#, Y. Sun#, H. Chen*, and S.-Q. Shen*, "Photonic simulation of topological excitations in metamaterials," Sci Rep-Uk 4, 3842 (2014).
8. Y. Sun, Y.-w. Tong, C.-h. Xue, Y.-q. Ding, Y.-h. Li, H. Jiang, and H. Chen, "Electromagnetic diode based on nonlinear electromagnetically induced transparency in metamaterials," Appl. Phys. Lett. 103, 091904 (2013).
9. Y. Sun, Z. N. Chen, Y. Zhang, H. Chen, and T. S. P. See, "Subwavelength substrate-integrated Fabry-Pérot cavity antennas using artificial magnetic conductor," IEEE Trans Antenn Propag 60, 30-35 (2012).
10. Y. Sun, H. Jiang*, Y. Yang, Y. Zhang, H. Chen*, and S. Zhu, "Electromagnetically induced transparency in metamaterials: Influence of intrinsic loss and dynamic evolution," Phys. Rev. B 83, 195140 (2011).
