Over 3 W high-efficiency vertical-external-cavity surface-emitting lasers and application as efficient fiber laser pump sources

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29 Scopus citations

Abstract

We report on the design and fabrication of high-power, high-brightness diode-pumped vertical-external-cavity surface-emitting lasers. Over 3 W continuous wave fundamental transverse mode (TEM00) output at 980 nm with a high slope efficiency of 44% is demonstrated at room temperature. The diffraction-limited beam with M2 factor of 1.15 at high-power operation is achieved. A vertical-external-cavity surface-emitting laser operating near 976 nm with a diffraction-limited beam is used to pump the core of 3 cm long ErYb -codoped single-mode phosphate fiber lasers. An output power in excess of 250 mW at 1535 nm with a slope efficiency of 29% is obtained without any cooling.

Original languageEnglish (US)
Article number211116
Pages (from-to)1-3
Number of pages3
JournalApplied Physics Letters
Volume86
Issue number21
DOIs
StatePublished - May 23 2005

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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