Flexible InGaAs/InAlAs avalanche photodiodes for short-wave infrared detection.

IF 15.7 1区综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES

Nature Communications Pub Date : 2025-10-23 DOI:10.1038/s41467-025-64401-2

Jishen Zhang,Rui Shao,Haiwen Xu,Kian Hua Tan,Satrio Wicaksono,Qiwen Kong,Gong Zhang,Chen Sun,Yue Chen,Aaron Danner,Soon-Fatt Yoon,Xiao Gong

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Abstract

Flexible detectors have gained growing research interest due to their promising applications in optical sensing and imaging systems with a broad field-of-view. However, most research have focused on conventional photodiodes of which the responsivity are limited at short-wave infrared due to the absence of internal multiplication gain. Here we have realized and demonstrated flexible thin-film InGaAs/InAlAs avalanche photodiodes on a mica substrate for short-wave infrared detection. This achievement was made possible by the development and implementation of a low-temperature bonding and well-optimized fabrication process. Our devices exhibit promising characteristics, including low dark current, good responsivity, and high multiplication gain. Even when subjected to bending conditions, the avalanche photodiodes maintain their general performance. The advent of such flexible InGaAs avalanche photodiodes with reliable and promising performance enables a significantly broader range of potential applications.

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用于短波红外探测的柔性InGaAs/InAlAs雪崩光电二极管。

柔性探测器由于在光学传感和成像系统中具有广阔的视场而获得了越来越多的研究兴趣。然而，大多数研究都集中在传统的光电二极管上，由于缺乏内部倍增增益，其在短波红外的响应性受到限制。我们在云母衬底上实现并演示了用于短波红外探测的柔性薄膜InGaAs/InAlAs雪崩光电二极管。这一成就是通过开发和实施低温键合和优化的制造工艺而实现的。我们的器件具有良好的特性，包括低暗电流，良好的响应性和高倍增增益。即使在弯曲条件下，雪崩光电二极管也能保持其一般性能。这种灵活的InGaAs雪崩光电二极管的出现，具有可靠和有前途的性能，使潜在的应用范围大大扩大。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Nature Communications Biological Science Disciplines-

CiteScore

24.90

自引率

2.40%

发文量

6928

审稿时长

3.7 months

期刊介绍： Nature Communications, an open-access journal, publishes high-quality research spanning all areas of the natural sciences. Papers featured in the journal showcase significant advances relevant to specialists in each respective field. With a 2-year impact factor of 16.6 (2022) and a median time of 8 days from submission to the first editorial decision, Nature Communications is committed to rapid dissemination of research findings. As a multidisciplinary journal, it welcomes contributions from biological, health, physical, chemical, Earth, social, mathematical, applied, and engineering sciences, aiming to highlight important breakthroughs within each domain.