Abstract
•Radhakrishnan-Kundu-Lakshmanan equation is studied in birefringent fibers.•Two strategic integration architectures are implemented.•Bright, dark and singular soliton solutions are recovered.•The existence criteria for such solitons are enumerated.
This paper addresses optical solitons in birefringent fibers modeled by Radhakrishnan–Kundu–Lakshmanan equation in coupled vector form. Bright, dark and singular solitons are recovered by trial and modified simple function principles.