1. Sang-Kil Son and Shih-I Chu, “Many-mode Floquet theoretical approach for coherent control of multiphoton dynamics driven by intense frequency-comb laser fields,” Phys. Rev. A 77, 063406 (2008).
2. Sang-Kil Son, “New Development of Theoretical and Computational Methods for Probing Strong-Field Multiphoton Processes,” Ph.D. Thesis, University of Kansas (2009).