- Optics Letters, Vol. 36, Issue 8, pp. 1425-1427 (April 2011)
- Peng Zu, Chi Chiu Chan, Lew Wen Siang, Yongxing Jin, Yifan Zhang, Liew Hwi Fen, Lihan Chen, Xinyong Dong
- Optics Letters, Vol. 37, Issue 3, pp. 398-400 (February 2012)
- Peng Zu, Chi Chiu Chan, Wen Siang Lew, Yongxing Jin, Yifan Zhang, Hwi Fen Liew, Li Han Chen, Wei Chang Wong, Xinyong Dong