- Optics Letters, Vol. 35, Issue 23, pp. 3859-3861 (December 2010)
- Carsten Brenner, Martin Hofmann, Maik Scheller, Mohammad Khaled Shakfa, Martin Koch, Iván Cámara Mayorga, Andreas Klehr, Götz Erbert, Günther Tränkle
- Optics Express, Vol. 19, Issue 14, pp. 13245-13256 (July 2011)
- Salah Ibrahim, Nicolas K. Fontaine, Stevan S. Djordjevic, Binbin Guan, Tiehui Su, Stanley Cheung, Ryan P. Scott, Andrew T. Pomerene, Liberty L. Seaford, Craig M. Hill, Steve Danziger, Zhi Ding, K. Okamoto, S. J. B. Yoo