10.1364/OE.18.008859.m004 P. V. Paulau P. V. Paulau D. Gomila D. Gomila P. Colet P. Colet N. A. Loiko N. A. Loiko N. N. Rosanov N. N. Rosanov T. Ackemann T. Ackemann W. J. Firth W. J. Firth Media 4: Vortex solitons in lasers with feedback Optica Publishing Group 2010 soliton media oe Optics Express Vortex 26 April 2010 laser 2010-04-26 00:00:00 Media https://opticapublishing.figshare.com/articles/media/Media_4_Vortex_solitons_in_lasers_with_feedback/4942331 Originally published in Optics Express on 26 April 2010 (oe-18-9-8859)