Femtosecond high-power spontaneous mode-locked operation in vertical-external cavity surface-emitting laser with gigahertz oscillation

Yung-Fu Chen*, Y. C. Lee, H. C. Liang, K. Y. Lin, Kuan-Wei Su, Kai-Feng Huang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

43 Scopus citations

Abstract

We realize a femtosecond high-power spontaneous mode-locked operation with gigahertz oscillation in a vertical-external cavity surface-emitting laser under the condition of eliminating the internal and external unwanted reflection. We find that the reflectivity of the output coupler has a significant influence not only on the output power but also on the output pulse duration. With an incident pump power of 20W, we have achieved 2:35W of average output power with 778fs pulse duration at a repetition rate of 2:17 GHz. The shortest pulse duration was 654 fs at an average output power of 0:45W.

Original languageEnglish
Pages (from-to)4581-4583
Number of pages3
JournalOptics Letters
Volume36
Issue number23
DOIs
StatePublished - 1 Dec 2011

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