- Optics Letters, Vol. 36, Issue 16, pp. 3094-3096 (August 2011)
- Sang-Pil Han, Hyunsung Ko, Namje Kim, Han-Cheol Ryu, Chul Wook Lee, Young Ahn Leem, Donghun Lee, Min Yong Jeon, Sam Kyu Noh, Hyang Sook Chun, Kyung Hyun Park
- Optics Express, Vol. 19, Issue 23, pp. 23042-23053 (November 2011)
- Stefan Katletz, Michael Pfleger, Harald Pühringer, Nico Vieweg, Benedikt Scherger, Bernd Heinen, Martin Koch, Karin Wiesauer