@article{escidoc:3184088, title = {{Direct observation of coherent magnons with suboptical wavelengths in a single-crystalline ferrimagnetic insulator}}, author = {F\"orster, J. and Gr\"afe, J. and Bailey, J. and Finizio, S. and Tr\"ager, N. and Gro\ss, F. and Mayr, S. and Stoll, H. and Dubs, C. and Surzhenko, O. and Liebing, N. and Woltersdorf, G. and Raabe, J. and Weigand, M. and Sch\"utz, G. and Wintz, S.}, journal = {{Physical Review B}}, volume = {100}, number = {21}, publisher = {American Physical Society}, address = {Woodbury, NY}, year = {2019}, doi = {10.1103/PhysRevB.100.214416} }