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Single laser dual optical frequency comb generation
Optics Express
|November 11, 2025
Abstract:
In this paper we present a simple scheme of dual frequency comb generation, based on a large-signal electrical modulation of a single high-speed semiconductor laser, applicable for symmetric spectroscopic system architectures. Our simulation results, based on a detailed numerical model including parasitic and noise effects, are confirmed through an experiment, reporting almost 40 GHz wide dual optical frequency comb, with 160 beat notes of 10 MHz spacing.

