TY - JOUR A1 - Stout, Brian A1 - Colom, Remi A1 - Bonod, Nicolas A1 - McPhedran, Ross C T1 - Spectral expansions of open and dispersive optical systems: Gaussian regularization and convergence JF - New J. Phys. Y1 - 2021 U6 - https://doi.org/10.1088/1367-2630/ac10a6 VL - 23 SP - 083004 ER -