@misc{indiciae8db464c1e701, title = {Cascaded wavelength conversions based on sum-frequency generation and difference-frequency generation.}, author = {Chang-Qing Xu and Bo Chen}, year = {2004}, doi = {10.1364/ol.29.000292}, url = {https://pubmed.ncbi.nlm.nih.gov/14759055/}, note = {Source identifier: 14759055} }