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Optical fields of the lowest modes in a uniformly active thin subwavelength spiral microcavity

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Abstract

A numerical study is presented of several lowest in frequency modes in a spiral microlaser. The modes in an arbitrarily shaped active cavity are considered as solutions to the two-dimensional eigenproblem for the Muller boundary-integral equations. After discretization using the Nyström-type algorithm, the eigenvalues are found in terms of frequency and material-gain threshold.

© 2009 Optical Society of America

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