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physics.optics2023★ 4 cited
Gain-compensated metal cavity modes and a million-fold improvement of Purcell factors
Becca VanDrunen, Juanjuan Ren, Sebastian Franke +1
Using a rigorous mode theory for gain-compensated plasmonic dimers, we demonstrate how quality factors and Purcell factors can be dramatically increased, improving the quality fact…
physics.optics2022★ 13 cited
Impact of mode regularization for quasinormal mode perturbation theories
Sebastian Franke, Juanjuan Ren, Stephen Hughes
We give insight into the critical problem of an open resonator that is subject to a perturbation outside of its cavity region. We utilize the framework of quasinormal modes (QNMs),…