Optimal control of high-order harmonics for the generation of an isolated ultrashort attosecond pulse with two-color midinfrared laser fields

Yi Chou,1,* Peng-Cheng Li,1,2,† Tak-San Ho,3,‡ and Shih-I Chu1,4,§ 1Center for Quantum Science and Engineering, Department of Physics, and Center for Advanced Study in Theoretical Sciences, National Taiwan University, Taipei 10617, Taiwan 2College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, China 3Department of Chemistry, Princeton University, Princeton, New Jersey 08544, USA 4Department of Chemistry, University of Kansas, Lawrence, Kansas 66045, USA (Received 22 March 2015; published 12 June 2015)