- 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
- Applied Optics, Vol. 48, Issue 32, pp. 6105-6110 (November 2009)
- Yoshito Niwa, Koji Arai, Akitoshi Ueda, Masaaki Sakagami, Naoteru Gouda, Yukiyasu Kobayashi, Yoshiyuki Yamada, Taihei Yano