Abstract
Micro ring resonators (MRR) based evanescent field biosensors have shown excellent potential in medical diagnostics due to their performance, scalability, and ability to integrate multiple sensors in a small area to detect various biomarkers simultaneously. The quest to improve the performance and feature size of such sensors has led to the development of cutting-edge photonic integrated circuits (PIC). However, chip-scale implementation of readout and data analysis still needs to be addressed adequately. State-of-the-art evanescent field biosensors rely on off-chip data processing for better results, making the system bulky and ill-suited for point-of-care (PoC) and point-of-use (PoU) applications. In this work, we implement an MRR biosensor in a silicon photonic (SiP) SOI process and demonstrate resonance peak extraction with its measurement data using an application-specific integrated circuit (ASIC) simulated in a 16nm FinFET process with performance similar to external processors.
Published Version
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