An Electro-Optical Simulation Methodology for the Analysis of Single-Event Radiation Effects in Photonic Devices

A multiphysics simulation methodology is presented for the analysis of transient radiation effects in photonic integrated devices and circuits. Electrical and optical simulators are coupled by computing steady-state optical solutions at various time intervals during transient charge transport simulations. This approach allows for the simulation of transient effects, enabling new studies of radiation effects in photonic integrated circuits (PICs), currently limited to analysis of single optical devices. This methodology will also allow for the development of compact models for lumped parameter simulation of radiation effects at the circuit and system levels, which will aid the design and analysis of PICs for operation in space or other harsh radiation environments.