- Optics Express, Vol. 19, Issue 26, pp. B931-B937 (December 2011)
- Hao Hu, Janaina L. Areal, Hans Christian Hansen Mulvad, Michael Galili, Kjeld Dalgaard, Evarist Palushani, Anders Clausen, Michael S. Berger, Palle Jeppesen, Leif Katsuo Oxenløwe
- Optics Express, Vol. 19, Issue 27, pp. 26883-26890 (December 2011)
- Jen-Tang Lu, Chih-Hsien Lai, Tzu-Fang Tseng, Hua Chen, Yuan-Fu Tsai, Yuh-Jing Hwang, Hung-chun Chang, Chi-Kuang Sun