- Optics Express, Vol. 17, Issue 23, pp. 20920-20926 (November 2009)
- Eok B. Kim, Jae-hwan Lee, Luu Tran Trung, Wong-Kyu Lee, Dai-Hyuk Yu, Han Young Ryu, Chang Hee Nam, Chang Yong Park
- Optics Express, Vol. 18, Issue 18, pp. 18752-18762 (August 2010)
- D. Herrmann, C. Homann, R. Tautz, M. Scharrer, P. St.J. Russell, F. Krausz, L. Veisz, E. Riedle