Nonlinear Imaging and Spectroscopy of Chiral Metamaterials Rodrigues, Sean P. ; Lan, Shoufeng ; Kang, Lei ; Cui, Yonghao ; Cai, Wenshan Abstract Publication: Advanced Materials Pub Date: September 2014 DOI: 10.1002/adma.201402293 Bibcode: 2014AdM....26.6157R