@article{StoutColomBonodetal.2021, author = {Brian Stout and Remi Colom and Nicolas Bonod and Ross C McPhedran}, title = {Spectral expansions of open and dispersive optical systems: Gaussian regularization and convergence}, journal = {New J. Phys.}, volume = {23}, pages = {083004}, doi = {10.1088/1367-2630/ac10a6}, year = {2021}, }