Fundamental and dressed annular solitons in saturable nonlinearity with parity

Fundamental and dressed annular solitons in saturable nonlinearity with parity–time symmetric Bessel potential

Wang Hong-Cheng^†, Wei Ya-Dong, Huang Xiao-Yuan, Chen Gui-Hua, Ye Hai

(color online) Plots of critical value μ₀ of propagation constant for the existence of fundamental solitons versus V₀ for several values of W₀. Inset: The amplification of μ₀ curve when 2 ≤ V 0 ≤ 2.4 .