One-dimensional optical solitons in cubic–quintic–septimal media with PT-symmetric potentials

A ( 1 + 1 )-dimensional inhomogeneous cubic–quintic–septimal nonlinear Schrödinger equation with PT -symmetric potentials is studied, and two families of soliton solutions are obtained. From soliton solutions, the amplitude of soliton is independent of the PT -symmetric potential parameter k ; however, the phase depends on the parameter k . The phase of soliton alters from negative to positive values at the location of center. Moreover, the evolutional behaviors of these solitons are discussed.