研究目的
Investigating the performance benefits of a novel open-circuit voltage pixel (VocP) topology for mid-wave infrared (MWIR) imaging, compared to traditional reverse bias current mode photodetector configurations.
研究成果
The VocP pixel topology demonstrates improved sensitivity and faster response time over traditional photocurrent mode configurations for MWIR imaging. Theoretical models closely match measured data, validating the approach. The technology offers a path to redefine performance limits for room temperature MWIR photodetectors at a reduced cost.
研究不足
The study focuses on mid-wave infrared (MWIR) imaging and may not directly apply to other wavelengths without further research. The sensitivity improvement was not achieved for the measured case with commercial photodiodes, indicating potential limitations with current photodiode technology.
1：Experimental Design and Method Selection:
The study proposes a new pixel architecture that operates the photodetector in the forward bias region, generating an open-circuit voltage (Voc). This is compared to traditional photocurrent mode configurations.
2：Sample Selection and Data Sources:
Commercial and optimized photodiodes are used for testing, with specifications outlined in the paper.
3：List of Experimental Equipment and Materials:
Includes a CMOS
4：18 μm technology for IC fabrication, uncooled cryostat for room temperature testing, and a 5-5μm filter for isolating the MWIR spectrum. Experimental Procedures and Operational Workflow:
The photodiode is tested in both VocP and conventional modes, with signal-to-noise ratio (SNR) and noise equivalent power (NEP) as key metrics.
5：Data Analysis Methods:
Theoretical models are compared with measured data to validate the performance benefits of the VocP topology.
独家科研数据包，助您复现前沿成果，加速创新突破
获取完整内容
