Novel Y2O3-codoped Yb/Tm-doped picosecond fiber laser

Vladislav V. Dvoyrin*, Dmitry Klimentov, Arindam Halder, Mukul C. Paul, Mrinmay Pal, Shyamal K. Bhadra, Alexander V. Kir'yanov, Irina T. Sorokina

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review


We demonstrate the novel picosecond mode-locked Y2O 3-codoped Yb/Tm-doped fiber lasers, operating at 1950 nm and producing pulses of up to 1 nJ energy, using a SESAM and an Er-doped pump fiber laser operating at the wavelength 1590 nm or a semiconductor pump laser operating at the wavelength of 1560 nm. We also report on the spectroscopic characterization of these new fibers with various compositions, identifying the optimum one for the maximum Yb/Tm energy transfer, the latter increasing with the increase of the Y concentration. The observed energy transfer between Yb and Tm makes this laser promising also for direct diode-pumping with most advanced and low cost 975 nm diodes, making this laser attractive for compact low cost picosecond Tm-doped fiber laser systems.

Original languageEnglish
Article number86012X
JournalProceedings of SPIE - International Society for Optical Engineering
Publication statusPublished - 26 Feb 2013
EventFiber Lasers X: Technology, Systems, and Applications - San Francisco, CA, United States
Duration: 4 Feb 20137 Feb 2013

Bibliographical note

Copyright 2013 SPIE. One print or electronic copy may be made for personal use only. Systematic reproduction, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.


  • energy transfer
  • picosecond fiber lasers
  • Yb/Tm codoping


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