- JOSA B, Vol. 26, Issue 2, pp. 210-217 (February 2009)
- Keith Ladouceur, Bruce G. Klappauf, Janelle Van Dongen, Nina Rauhut, Bastian Schuster, Arthur K. Mills, David J. Jones, Kirk W. Madison
- Optics Letters, Vol. 34, Issue 7, pp. 893-895 (April 2009)
- S. Sanguinetti, R. Calabrese, L. Corradi, A. Dainelli, A. Khanbekyan, E. Mariotti, C. de Mauro, P. Minguzzi, L. Moi, G. Stancari, L. Tomassetti, S. Veronesi