Post-treatment of DBR fibre lasers for enhanced beat-frequency in dual-polarization operation

Marie Guionie (1) , Marc Brunel (1) , Goulc'Hen Loas (1) , Emmanuel Pinsard (2) , Laurent Lablonde (2) , Benoît Cadier (2)

1 FOTON - Institut des Fonctions Optiques pour les Technologies de l'informatiON
2 iXBlue Photonics

UV photo-ablation provides an efficient and reproducible means to control the birefringence of a dual-frequency DBR fiber laser. The resulting beat note can be finely tuned by real-time measurement during the process from typically 100 MHz to about 6 GHz, independently of the active medium length.

Mots clés: Fiber laser; Photo-ablation; Birefringence

Domaines: Optique / photonique

Marie Guionie, Marc Brunel, Goulc'Hen Loas, Emmanuel Pinsard, Laurent Lablonde, et al.. Post-treatment of DBR fibre lasers for enhanced beat-frequency in dual-polarization operation. 9th EPS-QEOD Europhoton Conference (Europhoton 2022), Aug 2020, Prague (virtual), Czech Republic. ⟨hal-03049382⟩