Nd:Ta2O5 rib waveguide lasers

Bayram Unal, Chao Yi Tai, David P. Shepherd, James S. Wilkinson, Nicolas M.B. Perney, M. Caterina Netti, Gregory J. Parker

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

Ta2O5 waveguides offer great potential for high-density active photonic crystal circuits and their combination with rare-earth dopants for active devices is of interest for increasing their potential functionality. To this end, neodymium-doped Ta2O5 rib waveguide lasers have been fabricated on an oxidized silicon wafer by rf sputtering and argon ion-beam milling and laser action in this material has been demonstrated. Lasing was observed at wavelenghts between 1060 and 1080 nm and an absorbed pump power threshold of 87 mW was obtained.

Original languageEnglish
Article number021110
Pages (from-to)021110-1-021110-3
JournalApplied Physics Letters
Volume86
Issue number2
DOIs
StatePublished - 10 Jan 2005

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