Dispersion-managed Monolithic All Polarization-Maintaining Ultrafast Thulium-doped Fiber Oscillator Benedikt Schuhbauer, Andreas Wienke, Frithjof Haxsen, Jörg Neumann and Dietmar Kracht EPJ Web Conf., 266 (2022) 13033 Published online: 13 October 2022 DOI: 10.1051/epjconf/202226613033