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基于b-AsP/In₂Se₃异构结构的极化敏感光探测器

Le Ju¹, Binqian Zou¹, Suofu Wang²

¹State Key Laboratory of Opto-Electronic Information Acquisition and Protection Technology, Key Laboratory of Opto-Electronic Information Acquisition and Manipulation of Ministry of Education, Institutes of Physical Science and Information Technology, Anhui University, Hefei, Anhui, 230601, PR of China. mzhang@zjxu.edu.cn.

|October 24, 2025

概括

这项研究介绍了一种新型的光电探测器,使用黑和印化物范德瓦尔斯异质连接进行敏感的宽带检测. 该设备在紫外线到中波红外光谱中实现了高性能,响应时间快.

科学领域:

材料科学材料科学材料科学
凝聚物质物理学凝聚物质物理学
光电学是指光电子产品.

背景情况:

范德瓦尔斯 (vdW) 异质连接为先进的电子和光电子设备提供了多功能平台.
对偏振敏感的红外 (IR) 光电检测对于光通信和遥感等应用至关重要.

研究的目的:

开发一种基于黑色酸 (b-AsP) 和化 (In2Se3) vdW异质连接的高性能光探测器.
为了实现从太阳盲紫外线 (SBUV) 到中波红外线 (MWIR) 频谱的宽带检测,具有极化灵敏度.

主要方法:

一个镜子电极增强的b-AsP/In2Se3 vdW异联光探测器的制造.
在广泛的光谱范围 (SBUV到MWIR) 中描述设备的性能.
评估关键性能指标,包括光响应性,特异检测性,噪声等效功率,响应时间和双色球比率.

主要成果:

光探测器展示了从SBUV到MWIR的宽带检测能力.
取得了优异的性能指标:光响应度 (R) 为4129.3 A W-1,特异检测度 (D*) 为2.8 × 1011 cm Hz1/2 W-1,NEP为2.8 × 10−15 W Hz−1/2.
呈现出快速响应时间 (上升时间t r为5.8μs,衰变时间t d为2.8μs) 和高二合比为~2.12.

结论:

开发的b-AsP/In2Se3 vdW异质连接光探测器显示出对高灵敏度和快速极化敏感检测的承诺.
这项工作为创建各种应用的先进的偏振敏感探测器提供了可行的策略.
该设备在广泛的光谱范围内的性能突出显示了其在光通信和传感方面的潜力.

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