Regensburg 2019 – scientific programme
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HL: Fachverband Halbleiterphysik
HL 21: Quantum Nanophotonics in Solid State Systems
HL 21.5: Talk
Tuesday, April 2, 2019, 15:00–15:15, H33
Quantization of open and dissipative cavities using quasinormal modes — •Sebastian Franke1, Stephen Hughes2, Mohsen Kamandar Dezfouli2, Philip Trøst Kristensen3, Kurt Busch3,4, Andreas Knorr1, and Marten Richter1 — 1Technische Universität Berlin, Institut für Theoretische Physik, Nichtlineare Optik und Quantenelektronik, Hardenbergstraße 36, 10623 Berlin, Germany — 2Department of Physics, Engineering Physics and Astronomy, Queen’s University, Kingston, Ontario, Canada K7L 3N6 — 3Institut für Physik, Humboldt Universität zu Berlin, 12489 Berlin, Germany — 4Max-Born-Institut, 12489 Berlin, Germany
In many cavity-QED platforms, photons are usually described by lossless normal modes, e.g., in the Jaynes-Cummings model. However, for metallic or open cavities, the so-called quasinormal modes1 (QNMs) with complex eigenfrequencies are more appropriate, and are the natural modes to quantize. Here, we develop a powerful quantization scheme for these modes in absorptive and spatially inhomogeneous media, using a Green’s function quantization method2. We derive the corresponding Fock state basis for symmetrized QNMs, leading to an intrinsic inter-mode coupling in the QNM master equation3. Applications of cavity-QED for metal resonators and hybridized plasmonic-photonic crystal cavities are derived and discussed.
1P. T. Leung et al., Phys. Rev. A 49, 3057, 1994
2T. Gruner, and D.-G. Welsch, Phys. Rev. A 53, 1818, 1996
3S. Franke et al., arXiv:1808.06392v2