All-fiber generation of 29-fs pulses at 1.3-μm via Cherenkov radiation
Abstract
We have experimentally demonstrated the all-fiber generation of 1.3-μm femtosecond pulses via Cherenkov radiation (CR) from an ultrafast Er-doped fiber laser. The experiment shows that the pulses maintain below 40 fs in the range from 1270 to 1315 nm with multi-milliwatt average output power. The shortest generated pulses can be as short as 29 fs. This ultrashort pulse source in 1.3-μm window can bring the benefits to many fields such as the bio-imaging and the ultrafast spectroscopy, and so on.
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