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Kristensen PT, de Lasson JR, Gregersen N. Calculation, normalization, and perturbation of quasinormal modes in coupled cavity-waveguide systems. Opt Lett. 2014;39(22):6359-62doi: 10.1364/OL.39.006359.
Kristensen, P. T., de Lasson, J. R., & Gregersen, N. (2014). Calculation, normalization, and perturbation of quasinormal modes in coupled cavity-waveguide systems. Optics letters, 39(22), 6359-62. https://doi.org/10.1364/OL.39.006359
Kristensen, Philip Trøst, et al. "Calculation, normalization, and perturbation of quasinormal modes in coupled cavity-waveguide systems." Optics letters vol. 39,22 (2014): 6359-62. doi: https://doi.org/10.1364/OL.39.006359
Kristensen PT, de Lasson JR, Gregersen N. Calculation, normalization, and perturbation of quasinormal modes in coupled cavity-waveguide systems. Opt Lett. 2014 Nov 15;39(22):6359-62. doi: 10.1364/OL.39.006359. PMID: 25490468.
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Opt Lett. 2014 Nov 15;39(22):6359-62. doi: 10.1364/OL.39.006359.

Calculation, normalization, and perturbation of quasinormal modes in coupled cavity-waveguide systems.

Optics letters

Philip Trøst Kristensen, Jakob Rosenkrantz de Lasson, Niels Gregersen

PMID: 25490468 DOI: 10.1364/OL.39.006359

Abstract

We show how one can use a nonlocal boundary condition, which is compatible with standard frequency domain methods, for numerical calculation of quasinormal modes in optical cavities coupled to waveguides. In addition, we extend the definition of the quasinormal mode norm by use of the theory of divergent series to provide a framework for modeling of optical phenomena in such coupled cavity-waveguide systems. As example applications, we calculate the Purcell factor and study perturbative changes in the complex resonance frequency of a photonic crystal cavity coupled to a defect waveguide.

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