- Optics Letters, Vol. 37, Issue 3, pp. 368-370 (February 2012)
- Rajeshkumar Mupparapu, Kevin Vynck, Iacopo Malfanti, Silvia Vignolini, Matteo Burresi, Petra Scudo, Roberto Fusco, Diederik S Wiersma
- Optics Letters, Vol. 37, Issue 4, pp. 545-547 (February 2012)
- Remo Proietti Zaccaria, Francesco De Angelis, Andrea Toma, Luca Razzari, Alessandro Alabastri, Gobind Das, Carlo Liberale, Enzo Di Fabrizio