- Optics Express, Vol. 17, Issue 15, pp. 12210-12216 (July 2009)
- Muriel Botey, Marc Maymó, Alberto Molinos-Gómez, Luis Dorado, Ricardo A. Depine, Gabriel Lozano, Agustín Mihi, Hernán Míguez, Jordi Martorell
- Optics Express, Vol. 17, Issue 15, pp. 13222-13235 (July 2009)
- Ian D. Block, Patrick C. Mathias, Nikhil Ganesh, Sarah I. Jones, Brian R. Dorvel, Vikram Chaudhery, Lila O. Vodkin, Rashid Bashir, Brian T. Cunningham
- Chinese Optics Letters, Vol. 7, Issue 10, pp. 879-881 (October 2009)
- Kazuaki Sakoda, Takashi Kuroda, Naoki Ikeda, Takaaki Mano, Yoshimasa Sugimoto, Tetsuyuki Ochiai, Keiji Kuroda, Shunsuke Ohkouchi, Nobuyuki Koguchi, Kiyoshi Asakawa