- Optics Express, Vol. 17, Issue 22, pp. 20211-20220 (October 2009)
- Fred Sigernes, Margit Dyrland, Nial Peters, Dag Arne Lorentzen, Trond Svenøe, Karsten Heia, Sergey Chernouss, Charles Sterling Deehr, Mike Kosch
- Chinese Optics Letters, Vol. 7, Issue 11, pp. 1001-1003 (November 2009)
- Xiaoping Ouyang, Xiaoyan Li, Yanli Zhang, Zhaoyang Li, Guang Xu, Tao Wang, Baoqiang Zhu, Jianqiang Zhu