Polarization-switchable nanoripples fabricated on a silicon surface by femtosecond-laser-assisted nanopatterning Cheng, Huachao ; Li, Peng ; Liu, Sheng ; Lu, Hua ; Han, Lei ; Zhao, Jianlin Abstract Publication: Applied Optics Pub Date: August 2020 DOI: 10.1364/AO.397888 Bibcode: 2020ApOpt..59.7211C