- Optics Letters, Vol. 34, Issue 12, pp. 1768-1770 (June 2009)
- Wojciech Roseker, Hermann Franz, Horst Schulte-Schrepping, Anita Ehnes, Olaf Leupold, Federico Zontone, Aymeric Robert, Gerhard Grübel
- Chinese Optics Letters, Vol. 7, Issue 8, pp. 738-740 (August 2009)
- Min Dai, Zhong Zhang, Jingtao Zhu, Xiaoqiang Wang, Jing Xu, Xiuhua Fu, Liang Bai, Qiushi Huang, Zhanshan Wang, Lingyan Chen