Phase-Change Material Modeler
Model GST and GSST optical properties for non-volatile photonic weights
Material Properties
50%
30 nm
1550 nm
300 K
Optical Constants vs Wavelength
Current State
Refractive Index (n)
3.85
Extinction Coeff (k)
0.42
Δn (amorphous→crystalline)
1.2
Δk (amorphous→crystalline)
0.8
FOM (Δn/Δk)
1.5
Phase Transition Dynamics
Transmission & Loss
Programming Pulse Designer
100 ns
20 mW
10 ns
Multi-Level Programming States
Transmission Levels
State Distribution
Number of Levels
16
Bit Precision
4 bits