Ultra-Broadly Tunable Light Sources Based on the Nonlinear Effects in Photonic Crystal Fibers

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Focusing on nonlinear effects in photonic crystal fibers (PCFs), this thesis explores laser generation across the ultraviolet to mid-infrared spectrum. It investigates various physical mechanisms using custom-designed PCFs, emphasizing fiber optical parametric amplifiers (FOPAs) and oscillators (FOPOs) with a zero-dispersion wavelength around 1.06 micrometers. The work proposes solutions to enhance FOPO applications, optimizing wavelength-tuning and energy efficiency through innovative cavity designs, ultimately presenting a comprehensive guide to nonlinear wavelength generation in PCFs.