- Optics Letters, Vol. 34, Issue 10, pp. 1552-1554 (May 2009)
- Wentao Huang, Xinzhao Chu, Johannes Wiig, Bo Tan, Chihoko Yamashita, T. Yuan, J. Yue, S. D. Harrell, C.-Y. She, B. P. Williams, J. S. Friedman, R. M. Hardesty
- Optics Letters, Vol. 34, Issue 15, pp. 2270-2272 (August 2009)
- G. Grosche, O. Terra, K. Predehl, R. Holzwarth, B. Lipphardt, F. Vogt, U. Sterr, H. Schnatz