Tailoring Light Coupling to Hollow-Core Fibres: Hyperbolic Micro-Lens based on Gradient-Index Section
Conference: ECOC 2024 - 50th European Conference on Optical Communication
09/22/2024 - 09/26/2024 at Frankfurt, Germany
Proceedings: ITG-Fb. 317: ECOC 2024
Pages: 4Language: englishTyp: PDF
Authors:
Zandueta, Joseph; Saliou, Fabienne; Chanclou, Philippe; Bramerie, Laurent; Gay, Mathilde; Monteville, Achille; Provino, Laurent; Thual, Monique
Abstract:
We present a hyperbolic micro-lens design for mode-field adaptation, enhancing butt-coupling efficiency of a 1310 nm laser diode beam into a hollow-core fibre (HCF). Our results show a 6.5 dB improvement with -3.3 dB transmission efficiency.