Ultrafast modulation of optical metamaterials Cho, David J. ; Wu, Wei ; Ponizovskaya, Ekaterina ; Chaturvedi, Pratik ; Bratkovsky, Alexander M. ; Wang, Shih-Yuan ; Zhang, Xiang ; Wang, Feng ; Shen, Y. Ron Abstract Publication: Optics Express Pub Date: September 2009 DOI: 10.1364/OE.17.017652 Bibcode: 2009OExpr..1717652C