- Optics Letters, Vol. 37, Issue 1, pp. 88-90 (January 2012)
- Ji Hye Kang, Hyung Gu Kim, S. Chandramohan, Hyun Kyu Kim, Hee Yun Kim, Jae Hyoung Ryu, Young Jae Park, Yun Seon Beak, Jeong-Sik Lee, Joong Seo Park, Volodymyr V. Lysak, Chang-Hee Hong
- Optics Letters, Vol. 38, Issue 9, pp. 1491-1493 (May 2013)
- Hyun Kyu Kim, Young Jae Park, Ji Hye Kang, Nam Han, Min Han, Beo Deul Ryu, Kang Bok Ko, Jong Han Yang, Young Taek Kim, S. Chandramohan, Hyun Jeong, Mun Seok Jeong, Chang-Hee Hong