Cascaded injection of semiconductor lasers for optical frequency comb generation

Hsu-Ting Tang; Yu-Han Hung

doi:10.1117/12.3022670

20 June 2024 Cascaded injection of semiconductor lasers for optical frequency comb generation

Hsu-Ting Tang, Yu-Han Hung

Proceedings Volume 13002, Semiconductor Lasers and Laser Dynamics XI; 1300206 (2024) https://doi.org/10.1117/12.3022670
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

The study focuses on stabilizing subharmonic nonlinear dynamics in semiconductor lasers for optical frequency comb (OFC) generation. The proposed system consists of two cascaded optical injection stages. By injecting the first stage with proper power and frequency, period-one (P1) dynamics are invoked, then leading P1 dynamic injection into the second stage. With adjusted power in the second stage, undamped relaxation oscillations trigger subharmonic nonlinear dynamics. This achieves OFC generation with subharmonic oscillation sidebands, generating over 15 comb lines, and a bandwidth greater than 140 GHz. We have also proposed a cascaded injection-locking scheme to improve microwave comb signal quality limited by laser-induced instability.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Hsu-Ting Tang and Yu-Han Hung "Cascaded injection of semiconductor lasers for optical frequency comb generation", Proc. SPIE 13002, Semiconductor Lasers and Laser Dynamics XI, 1300206 (20 June 2024); https://doi.org/10.1117/12.3022670

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