Daniele Faccio, Matteo Clerici, Alessandro Averchi, Antonio Lotti, Ottavia Jedrkiewicz, Audrius Dubietis, Gintaras Tamosauskas, Arnaud Couairon, Francesca Bragheri, Dimitris Papazoglou, Stelios Tzortzakis, and Paolo Di Trapani
Phys. Rev. A 78, 033826 (2008)