High-pulse-energy, passively Q-switched Yb-doped fiber laser with AlGaInAs quantum wells as a saturable absorber

J. Y. Huang, W. C. Huang, W. Z. Zhuang, Kuan-Wei Su, Yung-Fu Chen, Kai-Feng Huang

Research output: Contribution to journalArticlepeer-review

46 Scopus citations

Abstract

We demonstrate an efficient, high-pulse-energy, passively Q-switched Yb-doped fiber laser with AlGaInAs quantum wells (QWs) as a saturable absorber. The AlGaInAs QW material is designed to provide a large modulation change and a quite-low nonsaturable loss. At an incident pump power of 7.6 W, an average output power of 3.8 W, pulse energy of 300 μJ, pulse repetition rate of 12.5 kHz, and pulse duration of 30 ns was obtained.

Original languageEnglish
Pages (from-to)2360-2362
Number of pages3
JournalOptics Letters
Volume34
Issue number15
DOIs
StatePublished - 1 Aug 2009

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