Theory of optical spontaneous emission rates in layered structures

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Theory of optical spontaneous emission rates in layered structures.

This paper presents expressions for the optical power and fields radiated by an oscillating dipole in layered structures, with loss or gain, that are easy to evaluate. For structures without loss or gain, it is discussed that the radiated power is a direct measure for the local density of modes, whereas for structures with loss or gain, this correspondence no longer holds due to interaction bet...

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The emission properties of a porous silicon layer placed in an optical microcavity is investigated by photoluminescence and time resolved photoluminescence measurements. The microcavity is formed by an all porous silicon Fabry-Perot filter made by two distributed Bragg reflectors separated by a h or h/2 porous silicon layer. Our main findings are that the spontaneous emission spectrum is drasti...

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ژورنال

عنوان ژورنال: Physical Review E

سال: 2005

ISSN: 1539-3755,1550-2376

DOI: 10.1103/physreve.71.046609