Mixed-technology system-level simulation

We employ Modified Nodal Matrix representation, piecewise linear modeling of non-linear devices, and piecewise characterization of signals to accomplish the simulation of mixed technology systems. Piecewise simulation modeling for both optoelectronic and mechanical devices is used to decrease the computational task and allow for a trade-off between accuracy and speed. The extraction from device level simulation of circuit models, which characterize high level effects in optoelectronic or mechanical devices, allows for the inclusion of these effects into traditional circuit representations for the device. This technique improves the overall simulation accuracy without compromising the efficiency of the simulator. The additional advantage of using the same technique to characterize electrical and mechanical models allows us to easily merge both technologies in complex devices that interact in mixed domains.