Electromagnetic characterization of vertical-cavity surface-emitting lasers based on a vectorial eigenmode calculation

D. Burak, Rudolf Binder

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

A complete theoretical approach to the electromagnetic properties of vertical-cavity surface-emitting lasers (VCSELs) is presented. The solution of the 3D vector Maxwell equations is obtained by means of a generalized vectorial transform matrix. Results for the characterization of laser modes include modal frequencies, cavity losses, and eigenmode light-field vector patterns. As an example, modal properties of air-post index-guided VCSELs are analyzed for various cavity design parameters. Scattering losses due to modal mismatch at cavity interfaces are found to be small and, hence, would not overcompensate potential cavity design improvements based on increased relative index steps.

Original languageEnglish (US)
Pages (from-to)891-893
Number of pages3
JournalApplied Physics Letters
Volume72
Issue number8
DOIs
StatePublished - 1998

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surface emitting lasers
electromagnetism
cavities
electromagnetic properties
laser modes
Maxwell equation
air
matrices
scattering

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

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AB - A complete theoretical approach to the electromagnetic properties of vertical-cavity surface-emitting lasers (VCSELs) is presented. The solution of the 3D vector Maxwell equations is obtained by means of a generalized vectorial transform matrix. Results for the characterization of laser modes include modal frequencies, cavity losses, and eigenmode light-field vector patterns. As an example, modal properties of air-post index-guided VCSELs are analyzed for various cavity design parameters. Scattering losses due to modal mismatch at cavity interfaces are found to be small and, hence, would not overcompensate potential cavity design improvements based on increased relative index steps.

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