FIG 2 (IMAGE) Compuscript Ltd Caption Robust transmission and modulation of the coherent structure of partially coherent vortex beams in complex environments via a cross-phase. The illustrations in the lower right corner represents the corresponding intensity distributions in the source plane obstructed by obstacles with different occlusion angles α. Credit OEA Usage Restrictions Credit must be given to the creator. License CC BY Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.