By Time

• Continuous-wave second harmonic generation of green light in periodically poled thin-film lithium tantalate
  Haiwei Chen, Xinyu Zhang, Zhilin Ye, Xin Chen, ChunYu Huang, Peng Zhan,Xin Ou, Shining Zhu, Xiaopeng Hu

• Metasurface Polarization Optics: Phase Manipulation for Arbitrary Polarization Conversion Condition
  Siqi Li , Chen Chen , Guoxi Wang , Suyang Ge , Jiaqi Zhao, Xianshun Ming,Wei Zhao, Tao Li,and Wenfu Zhang