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Article Dans Une Revue IEEE Journal of Quantum Electronics Année : 2019

Synchronization of Two DFB Lasers Using Frequency-Shifted Feedback for Microwave Photonics

Résumé

The phase synchronization of two semiconductor DFB lasers submitted to both frequency-shifted cross-injection and self-feedback is investigated, both numerically and experimentally. A dedicated setup based on monolithic DFB lasers permits to effectively lock the frequency difference of the two lasers on an external reference over a broad range of parameters. In agreement with a delayed rate equation model, it is shown that the sensitivity of the locking to the optical feedback phases is mitigated by using strong cross-injection thus paving the way to applications for microwave photonics. Other synchronization dynamics can also be observed, such as bounded-phase oscillations.

Dates et versions

hal-02383118 , version 1 (27-11-2019)

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Aurélien Thorette, Marco Romanelli, Marc Vallet. Synchronization of Two DFB Lasers Using Frequency-Shifted Feedback for Microwave Photonics. IEEE Journal of Quantum Electronics, 2019, 55 (1), pp.2200108. ⟨10.1109/JQE.2019.2891819⟩. ⟨hal-02383118⟩
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