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The Langevin Noise Approach for Lossy Media and the Lossless Limit

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posted on 2023-11-30, 20:16 authored by George W. Hanson, Frieder Lindel, Stefan Yoshi Buhmann
The Langevin noise approach for quantization of macroscopic electromagnetics for three-dimensional, inhomogeneous environments is compared with normal mode quantization. Recent works on the applicability of the method are discussed, and several examples are provided showing that for closed systems the Langevin noise approach reduces to the usual cavity mode expansion method when loss is eliminated.

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