Ultrashort Pulse Generation in Fiber Lasers via Nonlinear Polarization Evolution with Graphene Saturable Absorbers
DOI:
https://doi.org/10.2025/5b1xrb30Abstract
This work presents a novel approach to achieving ultrashort pulse generation in fiber lasers using graphene-based saturable absorbers combined with nonlinear polarization evolution. The system demonstrates pulse durations below 80 fs with enhanced stability and reduced threshold power. Spectral broadening and self-phase modulation effects are analyzed using numerical simulations supported by experimental validation. The findings highlight the potential of graphene-integrated laser systems for compact, high-repetition-rate ultrafast light sources in spectroscopy, telecommunications, and precision material processing applications.
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