@article{2785, author = {BenoƮt Boulanger and Steven Cundiff and Daniel Gauthier and Magnus Karlsson and Yan-qing Lu and R. Norwood and Dmitry Skryabin and Takunori Taira}, title = {Focus issue introduction: nonlinear optics}, year = {2011}, journal = {Optics Express}, volume = {19}, pages = {23561}, month = {2011}, issn = {1094-4087}, doi = {10.1364/OE.19.023561}, }