Table 1 Nonlinear magnon processes contributing to the THz-2DCS spectra
From: Extreme terahertz magnon multiplication induced by resonant magnetic pulse pairs
signal | nonlinear process | frequency space |
|---|---|---|
MR | ω1 − ω2 | (0, ωAF) |
MR | ω2 − ω1 | (0, − ωAF) |
PP | (ω1 − ω1) + ω2 | (ωAF, 0) |
NR | (ω1 − ω2) + ω2 | (ωAF, ωAF) |
2QC | 2ω1 − ω2 | (ωAF, 2ωAF) |
R | (ω2 − ω1) + ω2 | (ωAF, − ωAF) |
SHG | 2ω1 | (2ωAF, 2ωAF) |
SHG | ω1 + ω2 | (2ωAF, ωAF) |
5WM | 3ω2 − ω1 | (2ωAF, − ωAF) |
THG | ω1 + 2ω2 | (3ωAF, ωAF) |
THG | 2ω1 + ω2 | (3ωAF, 2ωAF) |
6WM | 4ω2 − ω1 | (3ωAF, − ωAF) |
4HG | 3ω2 + ω1 | (4ωAF, ωAF) |
4HG | 2ω2 + 2ω1 | (4ωAF, 2ωAF) |
7WM | 5ω2 − ω1 | (4ωAF, − ωAF) |
5HG | 4ω2 + ω1 | (5ωAF, ωAF) |
6HG | 5ω2 + ω1 | (6ωAF, ωAF) |
