Yb:CALGO bulk oscillator generating ultrashort pulses at high efficiency by cross-polarized optical pumpingFrançois Labaye, Valentin J. Wittwer, Norbert Modsching, Olga Razskazovskaya, Eric Cormier and Thomas SüdmeyerEPJ Web Conf., 243 (2020) 10001DOI: https://doi.org/10.1051/epjconf/202024310001