70% slope efficiency from an ultrafast laser-written Nd: GdVO4 channel waveguide laser

Yang Tan, Airan Rodenas, Feng Chen, Robert R. Thomson, Ajoy K. Kar, Daniel Jaque, Qingming Lu

Research output: Contribution to journalArticle

79 Citations (Scopus)

Abstract

We report high efficiency continuous wave laser oscillations at 1063.6 nm from an ultrafast laser written Nd3+:GdVO4 channel waveguide under the 808 nm optical excitation. A record 17 mms-1 writing speed was used while the low propagation loss of the waveguide (~0.5 dBcm -1) enabled laser performance with a threshold pump power as low as 52 mW and a near to quantum defect limited laser slope efficiency of 70%. © 2010 Optical Society of America.

Original languageEnglish
Pages (from-to)24994-24999
Number of pages6
JournalOptics Express
Volume18
Issue number24
DOIs
Publication statusPublished - 22 Nov 2010

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