Quantitative imaging of nonlinear spin-wave propagation using diamond quantum sensorsRemoveKensuke Ogawa, Moeta Tsukamoto, Yusuke Mori, Daigo Takafuji, Junichi Shiogai, Kohei Ueda, Jobu Matsuno, Jun-ichiro Ohe, Kento Sasaki, and Kensuke KobayashiPhys. Rev. B 112, 224411 (2025)