Simulation program for integrated optical/electronic circuit
View Patent ↗A method for forming a hybrid active electronic and optical circuit using a lithography mask. The hybrid active electronic and optical circuit comprising an active electronic device and at least one optical device on a Silicon-On-Insulator (SOI) wafer. The SOI wafer including an insulator layer and an upper silicon layer. The upper silicon layer including at least one component of the active electronic device and at least one component of the optical device. The method comprising projecting the lithography mask onto the SOI waver in order to simultaneously pattern the component of the active electronic device and the component of the optical device on the SOI wafer.
1. A method of operating a computer processor, the computer processor using computer software, the computer software being configured to simulate both the electrical characteristics and the optical characteristics of a silicon-on-insulator an (SOI)-based integrated optical/electronic circuit, the method comprising:
a) simulating operation of at least certain electronic circuit components of said SOI-based integrated optical/electronic circuit using an electronic design portion of the computer concentration software to generate as outputs dopant profiles, topology information and free-carrier concentration information and time-dependent variations in the free-carrier concentration as a function of applied voltage;
b) applying, the output information from the electronic design portion of the computer software as inputs to an optical design portion of the computer software to extract top-level optical parameters Such as optical loss, optical phase and extinction; and
c) simulating both the electrical and optical behavior of said integrated optical/electronic circuit through said electrical and optical computational engines to predict the optical behavior of said SOI-based integrated optical/electronic circuit.
2. The method of claim 1 , wherein the electronic design portion of the computer software includes at least one of the group consisting of a process simulation portion, a device simulation portion, a layout portion, a parasitic extraction portion, and a circuit simulation portion.
3. The method of claim 1 , wherein said optical design portion of the computer software further comprises at least one of the group consisting of: a finite difference time domain (FDTD) portion, a beam propagation method portion, and a raytracing portion.
4. The method of claim 1 , wherein the optical design portion of the computer software partially models a waveguide included in said at least certain optical circuit components of the SOI-based integrated optical/electronic circuit.
5. The method of claim 4 , wherein the SOI circuit includes a substrate layer, and wherein the waveguide at least partially extends within said substrate layer.
6. The method of claim 1 , wherein the electronic design portion of the computer software simulates at least one electronic circuit component from the group of a p-n device, a field device, an avalanche photodiode, a Schottky device, a MOSCAP, and a MOSFET.