- Optics Letters, Vol. 38, Issue 6, pp. 980-982 (March 2013)
- R. C. Botha, H. J. Strauss, C. Bollig, W. Koen, O. Collett, N. V. Kuleshov, M. J. D. Esser, W. L. Combrinck, H. M. von Bergmann
- Optics Letters, Vol. 38, Issue 12, pp. 2150-2152 (June 2013)
- Li Wang, Jintao Wang, Jingwei Yang, Xianyou Wu, Dunlu Sun, Shaotang Yin, Haihe Jiang, Jiyang Wang, Changqing Xu