Overview of Nonlinear Processes by Camacho Lab
= Overview of Nonlinear Processes by Camacho Lab
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University laboratory course notes: https://byucamacholab.github.io/nonlinear-optics/pages/3.%20Overview%20of%20Nonlinear%20Processes.html
The sum- and difference-frequency section relates the quadratic field response to frequency conversion and parametric amplification.