SPICE Modeling in Verilog-A for Photo-Response in UTC-Photodiodes Targeting Beyond-5G Circuit Design - Archive ouverte HAL Access content directly
Journal Articles IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems Year : 2023

SPICE Modeling in Verilog-A for Photo-Response in UTC-Photodiodes Targeting Beyond-5G Circuit Design

C. Maneux

Abstract

This paper reports the first accurate and physicsbased Verilog-A implementation of the fully analytic form of photocurrent in SPICE compact models for uni-traveling carrier (UTC) photodiodes (PD). To overcome the limitations of single pole network implementations for modeling frequency dependence of the photo-response, especially at frequencies beyond 100 GHz, we explored different solutions for the complete analytic equation of the dynamic photocurrent. A new implementation has been proposed which requires three additional nodes in the UTC-PD electrical equivalent circuit and offers the best trade-off between accuracy and computational efficiency. Model validation has been performed against on-wafer measurements from two UTC-PD technologies depicting very good accuracy over the entire frequency range.
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Dates and versions

hal-04230873 , version 1 (06-10-2023)

Identifiers

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Mukherjee Chhandak, D. Guendouz, M. Deng, H. Bertin, A. Bobin, et al.. SPICE Modeling in Verilog-A for Photo-Response in UTC-Photodiodes Targeting Beyond-5G Circuit Design. IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, 2023, 42 (9), pp.3045-3052. ⟨10.1109/TCAD.2023.3236277⟩. ⟨hal-04230873⟩
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