Figure 4

Examples of the vortex with S = 2 propagation in the MCF with M = 6 periphery cores. The phase evolution of a dynamically stable vortex with P = 60.03 (left) and a dynamically unstable vortex with P = 10.8 (right).
Examples of the vortex with S = 2 propagation in the MCF with M = 6 periphery cores. The phase evolution of a dynamically stable vortex with P = 60.03 (left) and a dynamically unstable vortex with P = 10.8 (right).