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SWCNT-SA mode-locked Tm:LuYO3 ceramic laser delivering 8-optical-cycle pulses at 2.05 µm

  • Yongguang Zhao
  • , Li Wang
  • , Yicheng Wang
  • , Jian Zhang
  • , Peng Liu
  • , Xiaodong Xu
  • , Ying Liu
  • , Deyuan Shen
  • , Ji Eun Bae
  • , Tae Gwan Park
  • , Fabian Rotermund
  • , Xavier Mateos
  • , Pavel Loiko
  • , Zhengping Wang
  • , Xingguang Xu
  • , Jun Xu
  • , Mark Mero
  • , Uwe Griebner
  • , Valentin Petrov
  • , Weidong Chen

Research output: Contribution to journalArticlepeer-review

40 Scopus citations

Abstract

Passive mode locking of a Tm : LuYO3 ceramic laser in the 2 µm spectral region is demonstrated by employing a single-walled carbon nanotube-saturable absorber. Almost chirp-free pulses as short as 57 fs, i.e., 8 optical cycles are produced at a repetition rate of 72.6 MHz (63 mW average power). The corresponding optical spectrum centered at 2045 nm, exhibits a bandwidth of 80 nm, which corresponds to almost chirp-free pulses. To the best of our knowledge, the results represent the shortest pulses generated by mode-locked Tm solid-state lasers.
Original languageEnglish
Pages (from-to)459-462
Number of pages4
JournalOptics Letters
Volume45
Issue number2
DOIs
StatePublished - Jan 15 2020
Externally publishedYes

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