Table 1 Amplitude coefficients at various frequency components for the two-tone test of a generic modulator, with power transfer function expanded up to the fifth order
From: Addressing optical modulator non-linearities for photonic neural networks
Component | Frequency | Amplitude |
|---|---|---|
Fundamental | ω1, ω2 | \(A{a}_{1}+\frac{9}{4}{A}^{3}{a}_{3}+\frac{25}{4}{A}^{5}{a}_{5}\) |
IMD3 | 2ω1-ω2, 2ω2-ω1 | \(\frac{3}{4}{A}^{3}{a}_{3}+\frac{25}{8}{A}^{5}{a}_{5}\) |
IMD5 | 3ω1-2ω2, 3ω2-2ω1 | \(\frac{5}{8}{A}^{5}{a}_{5}\) |