Subwavelength grating-mirror VCSEL with a thin oxide gap

Il-Sug Chung, Jesper Mørk, Philippe Gilet, Alexei Chelnokov

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Abstract

A new vertical-cavity surface-emitting laser (VCSEL) structure based on a subwavelength grating mirror and a thin oxide gap is suggested and numerically investigated. The structure is shown to exhibit similar threshold gain, suppression of higher order transverse modes, and polarization stability as a grating-mirror VCSEL reported in the literature based on a thick air gap. The thin oxide gap structure has a number of advantages including easier fabrication, better mechanical stability, and very strong single-mode properties.
Original languageEnglish
JournalIEEE Photonics Technology Letters
Volume20
Issue number2
Pages (from-to)105-107
ISSN1041-1135
DOIs
Publication statusPublished - 2008

Bibliographical note

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