Table 1 Third-order wave-mixing nonlinearities
From: Multidimensional terahertz probes of quantum materials
Signal | Dependence | (ωτ, ωt) |
|---|---|---|
Two-Quantum (2Q) | \({E}_{A}^{2}{E}_{B}^{* }{e}^{i{\omega }_{0}(2\tau +t)}\) | (2ω0, ω0) |
Non-Rephasing (NR) | \({E}_{A}| {E}_{B}{| }^{2}{e}^{i{\omega }_{0}(\tau +t)}\) | (ω0, ω0) |
Pump-Probe (PP) | \(| {E}_{A}{| }^{2}{E}_{B}{e}^{i{\omega }_{0}t}\) | (0, ω0) |
Rephasing (R) | \({E}_{A}^{* }{E}_{B}^{2}{e}^{i{\omega }_{0}(t-\tau )}\) | (-ω0, ω0) |
Third-Harmonic 1 (3H1) | \({E}_{A}^{2}{E}_{B}{e}^{i{\omega }_{0}(3t+2\tau )}\) | (2ω0, 3ω0) |
Third-Harmonic 2 (3H2) | \({E}_{A}{E}_{B}^{2}{e}^{i{\omega }_{0}(3t+\tau )}\) | (ω0, 3ω0) |
