Efficient single-mode 976 nm amplifier based on a 45 micron outer diameter Yb-doped fiber

Leonid Kotov, Valery Temyanko, Svetlana Aleshkina, Mikhail Bubnov, Denis Lipatov, Mikhail Likhachev

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

In this paper, we present a novel single-mode Yb-doped fiber with 14 µm core and 45 µm cladding diameter. A 976 nm all-fiber high-power amplifier was manufactured based on this fiber. 10-mm-long fiber taper was used to launch the pump light, and guidance of the high NA pump was provided by a glass–air interface. 13 W output power limited only by the available pump power was achieved with 31% slope efficiency.

Original languageEnglish (US)
Pages (from-to)4292-4295
Number of pages4
JournalOptics letters
Volume45
Issue number15
DOIs
StatePublished - Aug 1 2020

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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