Experimental observation of turbulent coherent structures in a superfluid of light A. Eloy, O. Boughdad, M. Albert, P.-É. Larré, F. Mortessagne, M. Bellec and C. Michel EPL, 134 2 (2021) 26001 Published online: 12 July 2021 DOI: 10.1209/0295-5075/134/26001