A design of novel photonic crystal fiber with low and flattened dispersion for supporting 84 orbital angular momentum modes
Lijuan Zhao,Haiying Zhao,Zhiniu Xu,Ruoyu Liang
Figure 8. Phase profile of some typical eigenmodes (a) HE16,1 in the outer ring; (b) HE9,1 in the outer ring; (c) EH3,1 in the outer ring; (d) HE6,1 in the inner ring; (e) EH3,1 in the inner ring.