Self-injection locking of the DFB laser through ring fiber optic resonator

Vasily V. Spirin; Cesar A. López-Mercado; José Luis Bueno Escobedo; Alfredo Márquez Lucero; Igor O. Zolotovskii; Patrice Mégret; Andrei A. Fotiadi

doi:10.1117/12.2077886

4 March 2015 Self-injection locking of the DFB laser through ring fiber optic resonator

Vasily V. Spirin, Cesar A. López-Mercado, José Luis Bueno Escobedo, Alfredo Márquez Lucero, Igor O. Zolotovskii, Patrice Mégret, Andrei A. Fotiadi

Author Affiliations +

Proceedings Volume 9344, Fiber Lasers XII: Technology, Systems, and Applications; 93442B (2015) https://doi.org/10.1117/12.2077886
Event: SPIE LASE, 2015, San Francisco, California, United States

Abstract

We study self-injection locking of DFB laser through ring fiber optic resonator in the different regimes. Experimentally measured transmitted and reflected from fiber cavity powers at undercoupled, critically coupled, and overcoupled regimes are properly coincide with the calculated values. Significant reduction of locked laser linewidth was observed. For the free running laser, the full-width at half-maximum linewidth was equal to 2.55 MHz assuming that line shape is Lorentzian. Meanwhile the self-injection locked DFB laser demonstrates linewidth equal to 2.5 KHz for undercoupled and critically coupled regimes and about two times more for overcoupled one.

Citation Download Citation

Vasily V. Spirin, Cesar A. López-Mercado, José Luis Bueno Escobedo, Alfredo Márquez Lucero, Igor O. Zolotovskii, Patrice Mégret, and Andrei A. Fotiadi "Self-injection locking of the DFB laser through ring fiber optic resonator", Proc. SPIE 9344, Fiber Lasers XII: Technology, Systems, and Applications, 93442B (4 March 2015); https://doi.org/10.1117/12.2077886

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