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Husimi functions at dielectric interfaces: Inside-outside duality for optical systems and beyond .

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<mark>Journal publication date</mark>2003
<mark>Journal</mark>EPL
Volume62
Pages (from-to)636
Publication StatusPublished
<mark>Original language</mark>English

Abstract

We introduce generalized Husimi functions at the interfaces of dielectric systems. Four different functions can be defined, corresponding to the incident and departing wave on both sides of the interface. These functions allow to identify mechanisms of wave confinement and escape directions in optical microresonators, and give insight into the structure of resonance wave functions. Off resonance, where systematic interference can be neglected, the Husimi functions are related by Snell's law and Fresnel's coefficients.