- Optics Express, Vol. 17, Issue 23, pp. 21066-21076 (November 2009)
- A. Säynätjoki, T. Alasaarela, A. Khanna, L. Karvonen, P. Stenberg, M. Kuittinen, A. Tervonen, S. Honkanen
- Applied Optics, Vol. 48, Issue 32, pp. 6207-6212 (November 2009)
- Katsumasa Iwai, Akihito Hongo, Hiroyuki Takaku, Mitsunobu Miyagi, Jun-ichi Ishiyama, Xiao-Xu Wu, Yi-Wei Shi, Yuji Matsuura