Millijoule-level Yb-doped photonic crystal fiber laser passively Q-switched with AlGaInAs quantum wells

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

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

We report on a millijoule-level Yb-doped photonic crystal fiber (PCF) laser passively Q-switched with AlGaInAs quantum wells (QWs). Three types of AlGaInAs devices with different QW numbers are fabricated to investigate the performance. With 50 groups of three AlGaInAs QWs as a saturable absorber (SA), the PCF laser generates an average power of 7.1 W with a pulse repetition rate of 6.5 kHz at a pump power of 16 W, corresponding to the pulse energy of 1.1 mJ. The maximum peak power is up to 110 kW.

Original languageEnglish
Pages (from-to)27910-27915
Number of pages6
JournalOptics Express
Volume18
Issue number26
DOIs
StatePublished - 20 Dec 2010

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