Solar-blind photonic integrated chips for real-time on-chip communication

IF 5.4 1区 物理与天体物理 Q1 OPTICS
APL Photonics Pub Date : 2024-07-01 DOI:10.1063/5.0206657
Rui He, Yijian Song, Naixin Liu, Renfeng Chen, Jin Wu, Yufeng Wang, Qiang Hu, Xiongbin Chen, Junxi Wang, Jinmin Li, Tongbo Wei
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引用次数: 0

Abstract

The monolithically integrated self-driven photoelectric detector (PD) with the light-emitting diode (LED) epitaxial structure completely relies on the built-in electric field in the multi-quantum wells region to separate the photogenerated carriers. Here, we propose a novel superlattices–electron barrier layer structure to expand the potential field region and enhance the detection capability of the integrated PD. The PD exhibits a record-breaking photo-to-dark current ratio of 5.14 × 107, responsivity of 110.3 A/W, and specific detectivity of 2.2 × 1013 Jones at 0 V bias, respectively. A clear open-eyed diagram of the monolithically integrated chip, including the PD, LED, and waveguide, is realized under a high-speed communication rate of 150 Mbps. The obtained transient response (rise/decay) time of 2.16/2.28 ns also illustrates the outstanding transient response capability of the integrated chip. The on-chip optical communication system is built to achieve the practical video signals transmission application, which is a formidable contender for the core module of future large-scale photonic integrated circuits.
用于实时片上通信的太阳盲光子集成芯片
采用发光二极管(LED)外延结构的单片集成自驱动光电探测器(PD)完全依靠多量子阱区的内置电场来分离光生载流子。在此,我们提出了一种新型超晶格-电子势垒层结构,以扩大势场区域,增强集成 PD 的探测能力。在 0 V 偏压条件下,该光导二极管的光暗电流比为 5.14 × 107,响应率为 110.3 A/W ,比检测率为 2.2 × 1013 Jones,分别创下了历史新高。在 150 Mbps 的高速通信速率下,实现了单片集成芯片(包括 PD、LED 和波导)的清晰睁眼图。获得的瞬态响应(上升/衰减)时间为 2.16/2.28 ns,这也说明了集成芯片出色的瞬态响应能力。片上光通信系统的构建实现了视频信号传输的实际应用,是未来大规模光子集成电路核心模块的有力竞争者。
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
APL Photonics
APL Photonics Physics and Astronomy-Atomic and Molecular Physics, and Optics
CiteScore
10.30
自引率
3.60%
发文量
107
审稿时长
19 weeks
期刊介绍: APL Photonics is the new dedicated home for open access multidisciplinary research from and for the photonics community. The journal publishes fundamental and applied results that significantly advance the knowledge in photonics across physics, chemistry, biology and materials science.
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