Post Fabrication Permanent Tuning of Double Ring Filters for Narrow Linewidth Integrated Laser. - J.-P. Bérubé; P. Lassonde; L. Arias; Javier Pérez Santacruz; Peter Girouard; F. Légaré; L.-R. Robichaud; Dongjae Shin; R. M. Oldenbeuving (OFC, 2026)