- Optics Letters, Vol. 34, Issue 11, pp. 1672-1674 (June 2009)
- M. Butkus, K. G. Wilcox, J. Rautiainen, O. G. Okhotnikov, S. S. Mikhrin, I. L. Krestnikov, A. R. Kovsh, M. Hoffmann, T. Südmeyer, U. Keller, E. U. Rafailov
- Optics Express, Vol. 17, Issue 10, pp. 7893-7900 (May 2009)
- Chunfeng Zhang, Fan Zhang, Tian Xia, Nitin Kumar, Jong-in Hahm, Jin Liu, Zhong Lin Wang, Jian Xu
- Optics Express, Vol. 17, Issue 11, pp. 9047-9052 (May 2009)
- Jari Lyytikäinen, Jussi Rautiainen, Lauri Toikkanen, Alexei Sirbu, Alexandru Mereuta, Andrei Caliman, Eli Kapon, Oleg G. Okhotnikov
- Optics Express, Vol. 17, Issue 11, pp. 9391-9400 (May 2009)
- A. Bousseksou, R. Colombelli, A. Babuty, Y. De Wilde, Y. Chassagneux, C. Sirtori, G. Patriarche, G. Beaudoin, I. Sagnes
- Optics Express, Vol. 17, Issue 13, pp. 10820-10834 (June 2009)
- Peter Klopp, Uwe Griebner, Martin Zorn, Andreas Klehr, Armin Liero, Markus Weyers, Götz Erbert
- Chinese Optics Letters, Vol. 7, Issue 6, pp. 489-491 (June 2009)
- Peixu Li, Ling Wang, Shuqiang Li, Wei Xia, Xin Zhang, Qingmin Tang, Zhongxiang Ren, Xiangang Xu