1. Sang-Kil Son and Shih-I Chu, “Precision calculation of intense-laser-field multiphoton ionization (MPI) rates of H₂⁺ at critical internuclear distances” in The 37th Meeting of the Division of Atomic, Molecular and Optical Physics (American Physics Society, Knoxville, Tennessee, May 16-20, 2006) [poster].
2. Sang-Kil Son and Shih-I Chu, “Multiple orbital contribution in multiphoton ionization of H₂O in intense ultrafast laser fields” in International Conference on Attosecond Physics (Manhattan, Kansas, July 28-August 1, 2009) [poster].