@article{1243351, author = {Alexander Lind and Abijith Kowligy and Henry Timmers and Flavio Caldas da Cruz and Nima Nader and Myles Silfies and Thomas Allison and Scott Papp and Scott Diddams}, title = {Mid-Infrared Frequency Comb Generation and Spectroscopy with Few-Cycle Pulses and χð2Þ Nonlinear Optics}, year = {2020}, month = {2020-04-01 04:04:00}, publisher = {Physical Review Letters}, doi = {https://doi.org/10.1103/PhysRevLett.124.133904}, language = {en}, }