Kerr-lens mode-locked Yb:(Lu,Sc) 2 O 3 ceramic laser
Year: 2026
Type: article
Abstract: We report on continuous-wave and Kerr-lens mode-locked operation of an ytterbium-doped mixed sesquioxide ceramic laser. Pumped by a 976 nm Yb-fiber laser, the Yb:(Lu,Sc) 2 O 3 ceramic laser delivered a maximum continuous-wave output power of 1.05 W near 1039 nm for an absorbed pump power of 1.78 W, corresponding to a slope efficiency of 64.9%. By inserting a Lyot filter into the cavity, continuous wavelength tuning over 80 nm was achieved. In the mode-locked regime, soliton pulses as short as 44 fs were generated at 1083.3 nm via soft-aperture Kerr-lens mode-locking. The mode-locked laser generated a maximum average output power of 420 mW at a pulse repetition rate of ∼61.5 MHz, corresponding to a peak power of ∼137 kW. To the best of our knowledge, these are the shortest pulses ever generated from any ytterbium-doped sesquioxide ceramic laser, demonstrating the potential of Yb:(Lu,Sc) 2 O 3 ceramic as a broadband gain medium for few-optical-cycle solid-state lasers.
Source: Optics Express
DOI: 10.1364/oe.612206
Institutions: China Academy of Engineering Physics, Chinese Academy of Sciences, Fujian Institute of Research on the Structure of Matter, Shanghai Institute of Ceramics, University of Chinese Academy of Sciences, Université de Caen Normandie, Universitat Rovira i Virgili, Max-Born-Institute for Nonlinear Optics and Short Pulse Spectroscopy
Language: English
Subfield: Electrical and Electronic Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: gold
Estimated APC paid: $2,270
OpenAlex ID: W7221033353