Ultrashort pulse generation from binary temporal phase modulation
Anastasiia Sheveleva (LICB), Christophe Finot (LICB)
TL;DR
This paper introduces a novel all-optical method for generating ultrashort pulse trains by modulating a continuous wave with binary temporal phase patterns and spectral phase shaping, supported by numerical validation and analytical insights.
Contribution
It presents a new scheme combining binary temporal phase modulation and spectral phase shaping for ultrashort pulse generation, with detailed analytical and numerical analysis.
Findings
Effective pulse train generation demonstrated through numerical simulations.
Analytical guidelines for pulse formation and characteristics provided.
Both ideal and bandwidth-limited phase profiles analyzed.
Abstract
We propose and numerically validate an all-optical scheme to generate a train of optical pulses. Modulation of a continuous wave with a periodic binary temporal phase pattern followed by a spectral phase shaping enables us to obtain ultrashort pulse trains. An ideal step phase profile as well as a profile arisen from a bandwidth-limited device are investigated. Analytical guidelines describing pulse trains formation and their characteristics are provided.
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