Axial dispersion-managed liquid-core fibers: A platform for tailored higher-order mode supercontinuum generation

Article Optics

Temperature-Sensitive Dual Dispersive Wave Generation of Higher-Order Modes in Liquid-Core Fibers

Ramona Scheibinger et al.

Summary: This study combines the concepts of few-mode operation and local temperature tuning to achieve precise control over cascaded dispersive wave generation in liquid-core optical fibers. By exciting higher-order TM and TE modes, two dispersive waves that can be tuned by up to 33 nm K-1 are observed. The experimental results verify the soliton-driven nonlinear dynamics that arise from thermal transition, including soliton steering, soliton breakdown, and soliton post-fission tuning. These findings provide a cost-effective and practical toolbox for discovering unexplored states of light and developing dynamically tunable broadband light sources.

LASER & PHOTONICS REVIEWS (2023)

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Article Chemistry, Multidisciplinary

Tailored Multi-Color Dispersive Wave Formation in Quasi-Phase-Matched Exposed Core Fibers

Tilman A. K. Luehder et al.

Summary: This study utilizes height-modulated high-index nano-films on exposed fiber cores to alter fiber dispersion and achieve multi-order dispersive wave formation, resulting in high spectral fidelity and femtosecond durations. This approach shows potential for efficient and coherent femtosecond multi-frequency conversion in various applications.

ADVANCED SCIENCE (2022)

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Article Multidisciplinary Sciences

Higher-order mode supercontinuum generation in dispersion-engineered liquid-core fibers

Ramona Scheibinger et al.

Summary: The study investigates the ultrafast nonlinear dynamics of soliton-based supercontinuum generation in accurately dispersion-engineered liquid-core fibers, revealing the origins of nonlinear broadening to be soliton fission and dispersive wave formation. By analyzing energy-spectral evolutions and spatial distributions, insights into nonlinear switching in emerging higher-order mode fiber networks can be gained.

SCIENTIFIC REPORTS (2021)

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Article Optics

Numerical and Experimental Demonstration of Intermodal Dispersive Wave Generation

Niklas M. Luepken et al.

Summary: Evidence of intermodal dispersive wave generation by iXPM between different transverse modes during supercontinuum generation in silicon nitride waveguides is presented. The phase modulation of a weak transverse mode by iXPM enables dispersive wave generation within the weak mode, which otherwise lacks the power to facilitate such wave formation. The nonlinear frequency conversion scheme suggests novel phase-matching conditions for extending the spectral bandwidth within supercontinuum generation.

LASER & PHOTONICS REVIEWS (2021)

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Article Multidisciplinary Sciences