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Graphene on SiC as a Q-switcher for a 2 μm laser

  • Qing Wang
  • , Hao Teng
  • , Yuwan Zou
  • , Zhiguo Zhang
  • , Dehua Li
  • , Ran Wang
  • , Chunqing Gao
  • , Jingjing Lin
  • , Liwei Guo
  • , Zhiyi Wei*
  • *Corresponding author for this work
  • CAS - Institute of Physics
  • Beijing Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

Double-layer graphene epitaxially grown on silicon carbide was used to Q-switch a Tm:YAG laser. Stable Qswitched laser pulses at the central wavelength of 2.01 μm were obtained. The maximum average output power, pulse repetition rate, and single pulse energy were 38 mW, 27.9 kHz, and 1.74 μJ, respectively. Our results illustrate that graphene can be used as a saturable absorber at the 2 μm region.

Original languageEnglish
Pages (from-to)395-397
Number of pages3
JournalOptics Letters
Volume37
Issue number3
DOIs
Publication statusPublished - 1 Feb 2012

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