Generation and Transmission Characteristics of Supercontinuum in Photonic Crystal Fibers

This article employs the Split-Step Fourier Method to computationally investigate the generation and transmission properties of supercontinuum in photonic crystal fibers. Photonic crystal fibers represent a specialized optical fiber structure capable of generating supercontinuum during optical signal transmission - a continuous spectral range with significant practical applications. The numerical implementation typically involves solving the generalized nonlinear Schrödinger equation through iterative Fourier transform operations, where dispersion and nonlinear effects are calculated in separate steps. Through this computational approach, we gain deeper insights into the supercontinuum generation mechanisms, including nonlinear phenomena like self-phase modulation, four-wave mixing, and soliton dynamics, along with their transmission characteristics within photonic crystal fibers. Key algorithmic considerations include step-size optimization, dispersion parameter handling, and nonlinear coefficient calculations. This research holds substantial importance for optical communication and optical sensing domains, potentially providing robust support for the advancement of related technologies through accurate numerical modeling and spectral analysis capabilities.