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This research examines the stability and formation mechanisms of pure-quartic solitons (PQSs) driven by dispersion and self-phase modulation.

April 28, 2026Laser & Photonics ReviewOpen Access

Optical Solitons Dominated by Pure‐High‐Even‐Order Dispersion: Research Progress of Pure‐Quartic Solitons

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This research examines the stability and formation mechanisms of pure-quartic solitons (PQSs) driven by dispersion and self-phase modulation.
Systematic summary of experimental implementations and numerical simulations of PQSs across different cavity configurations.
Exploration of approaches for achieving a pure-quartic dispersion regime.
Demonstrated stability of PQSs due to the balance between pure-quartic dispersion and self-phase modulation.
PQSs exhibit unique energy-width scaling characteristics and oscillating tail structures, suggesting new applications in ultrafast lasers.

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This review summarizes advances in pure-quartic solitons, highlighting their formation mechanisms and applications in ultrafast lasers.

Zhang et al. (2026) studied this question.

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