abstract.semiconductor_amplifier

semiconductor_amplifier(
    *,
    small_signal_gain: Annotated[float, units='dB'] = 20.0,
    saturation_power: Annotated[float, exclusiveMinimum=0, units='W']
    | None = None,
    carrier_lifetime: Annotated[
        float, exclusiveMinimum=0, units='s'
    ] = 2e-10,
    linewidth_enhancement_factor: Annotated[float, minimum=0] = 0.0,
    noise_figure: Annotated[float, units='dB'] | None = None,
    substeps: Annotated[int, exclusiveMinimum=0] = 1,
    seed: Annotated[int, minimum=0] | None = None,
) -> photonforge.Component

Abstract semiconductor optical amplifier (SOA).

Based on SemiconductorAmplifierTimeStepper.

Args

• small_signal_gain: Unsaturated power gain $G_0$.
• saturation_power: Internal saturation power $P_{\rm sat}$. If None, saturation is disabled and the model reduces to a constant-gain amplifier.
• carrier_lifetime: Carrier recovery time.
• linewidth_enhancement_factor: Henry’s $\alpha_H$, coupling gain change to phase. A value of 0 disables chirp.
• noise_figure: Noise figure. If None, ASE is disabled.
• substeps: Splitting substeps per time step. The integrator is unconditionally stable at any value; increase only to reduce the splitting error when the time step is comparable to the carrier lifetime.
• seed: Random number generator seed, for reproducible ASE.