- Optics Express, Vol. 17, Issue 24, pp. 21522-21529 (November 2009)
- Cheng Yi Wu, Chia Chi Huang, Jia Sin Jhang, An Chi Liu, Chun-Chen Chiang, Ming-Lung Hsieh, Ping-Ji Huang, Le Dac Tuyen, Le Quoc Minh, Tzyy Schiuan Yang, Lai-Kwan Chau, Hung-Chih Kan, Chia Chen Hsu