@article{1295346, author = {Sida Xing and Abijith Kowligy and Daniel Lesko and Alexander Lind and Scott Diddams}, title = {All-fiber frequency comb at 2 µm providing 1.4-cycle pulses}, year = {2020}, month = {2020-05-01 04:05:00}, publisher = {Optics Letters}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=929699}, doi = {https://doi.org/10.1364/OL.391486}, language = {en}, }