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Article Dans Une Revue Optica Année : 2021

Autonomous on-chip interferometry for reconfigurable optical waveform generation

Résumé

The generation of user-defined optical temporal waveforms with picosecond resolution is an essential task for many applications, ranging from telecommunications to laser engineering. Realizing this functionality in an on-chip reconfigurable platform remains a significant challenge. Towards this goal, autonomous optimization methods are fundamental to counter fabrication imperfections and environmental variations, as well as to enable a wider range of accessible waveform shapes and durations. In this work, we introduce and demonstrate a self-adjusting on-chip optical pulse-shaper based on the concept of temporal coherence synthesis. The scheme enables on-the-fly reconfigurability of output optical waveforms by using an all-optical sampling technique in combination with an evolutionary optimization algorithm. We further show that particle-swarm optimization can outperform more commonly used algorithms in terms of convergence time. Hence, our system combines all key ingredients for realizing fully on-chip smart optical waveform generators for next-generation applications in telecommunications, laser engineering, and nonlinear optics.
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Dates et versions

hal-03366963 , version 1 (05-10-2021)

Identifiants

Citer

Bennet Fischer, Mario Chemnitz, Benjamin Maclellan, Piotr Roztocki, Robin Helsten, et al.. Autonomous on-chip interferometry for reconfigurable optical waveform generation. Optica, 2021, 8 (10), pp.1268. ⟨10.1364/optica.435435⟩. ⟨hal-03366963⟩
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