Recent Progress in Silicon-Based On-Chip Integrated Infrared Photodetectors
Yu He, Hongling Peng, Peng Cao, Zeyu Wang, Jiaqi Wei, Chunxu Song, Wanhua Zheng, Qiandong Zhuang
TL;DR
This paper reviews recent advancements in silicon-based infrared photodetectors, which could lead to smaller, cheaper, and more efficient optoelectronic systems.
Contribution
The paper introduces a comprehensive review of recent developments in silicon-compatible infrared photodetectors using diverse material systems.
Findings
Silicon-based integration allows for miniaturized and cost-effective photonic circuits.
Group IV, III–V, and 2D materials show promise for on-chip infrared detection.
Compatibility with CMOS processes enables high-speed data transmission and sensing.
Abstract
Infrared (IR) photodetectors are indispensable to modern optoelectronic systems, ranging from night vision imaging, surveillance, and industrial process control to environmental monitoring and medical diagnostics. However, traditional detectors based on bulk semiconductors are constrained by prohibitive fabrication costs and the stringent requirement for bulky cryogenic cooling, which severely hinders their widespread deployment in Size, Weight, and Power (SWaP)-sensitive scenarios. Silicon-based on-chip integration, leveraging compatibility with mature CMOS processes, has emerged as a transformative paradigm. It enables the realization of fully functional photonic integrated circuits (PICs) capable of on-chip sensing and high-speed data transmission, offering a pathway toward miniaturized and cost-effective architectures. This article provides a review of recent progress in…
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Taxonomy
TopicsPhotonic and Optical Devices · Nanowire Synthesis and Applications · Transition Metal Oxide Nanomaterials