Power scaling of a non-resonant optical parametric oscillator based on periodically poled LiNbO with spectral narrowing - Das, S; Temel, T; Spindler, G; Schirrmacher, A; Divliansky, IB; Murray, RT; Piotrowski, M; Wang, L; Chen, W; Mhibik, O; Petrov, V (Optics Express, 2025)