Ultrafast 3.5 µm fiber laser

Nathaniel Bawden*, Ori Henderson-Sapir, Stuart D. Jackson, David J. Ottaway

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We report, to the best of our knowledge, the first mode-locked fiber laser to operate in the femtosecond regime well beyond 3 µm. The laser uses dual-wavelength pumping and nonlinear polarization rotation to produce 3.5 µm wavelength pulses with minimum duration of 580 fs at a repetition rate of 68 MHz. The pulse energy is 3.2 nJ, corresponding to a peak power of 5.5 kW.

Original languageEnglish
Pages (from-to)1636-1639
Number of pages4
JournalOptics Letters
Volume46
Issue number7
DOIs
Publication statusPublished - 1 Apr 2021

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