Hi All, I am trying to compute the effective mode volume of a photonic crystal cavity using the Quasinormal Mode analysis (see for reference: "Completeness and orthogonality of quasinormal modes in leaky optical cavities", P. T. Leung, S. Y. Liu, and K. Young,Phys. Rev. A 49, 3057-3067 (1994)). Quasinormal modes have complex eigenfrequencies and am confused about computing complex frequencies using harminv. When I feed a timeseries of electric field at a given spatial point within the cavity to harminv, it always gives me real resonances. Is there a way to compute the imaginary part of the resonance somehow?
Looking forward to some input from the community, Thanks! -Tanya
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