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High-Order Harmonic Mode-Locking in Quantum Dot Lasers via Filtered Optical Feedback for Tunable Free Spectral Ranges

Authors: Jin, Z., Qu, L., Yang, B., Chen, J., Wang, Z., Wang, T., Zhang, J., Xu, X., Yao, Y. and Duan, J.

Journal: 2025 Conference on Lasers and Electro Optics CLEO 2025

Abstract:

This work demonstrates filtered optical feedback in quantum dot lasers achieving tunable free spectral ranges and high-repetition-rate mode-locking. The approach leverages the feedback-insensitivity of quantum dot lasers, making it promising for optical frequency comb applications.

Source: Scopus