https://www.nist.gov/publications/increased-cross-correlation-cascaded-four-wave-mixing-processes
Increased cross-correlation in cascaded four-wave mixing processes | NIST
four wave mixingcross correlationincreasedprocessesnist
https://arxiv.org/abs/2305.01600
[2305.01600] High-Efficiency Three-Wave and Four-Wave Phonon Mixing Via Electron-Mediated...
Abstract page for arXiv paper 2305.01600: High-Efficiency Three-Wave and Four-Wave Phonon Mixing Via Electron-Mediated Nonlinearity in...