中红外硅光子学:从台式机到实际应用

IF 5.4 1区 物理与天体物理 Q1 OPTICS
APL Photonics Pub Date : 2024-08-16 DOI:10.1063/5.0222890
Colin J. Mitchell, Tianhui Hu, Shiyu Sun, Callum J. Stirling, Milos Nedeljkovic, Anna C. Peacock, Graham T. Reed, Goran Z. Mashanovich, David J. Rowe
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引用次数: 0

摘要

硅光子学是光子学中最具活力的领域之一,在过去 20 年中取得了巨大进步,主要应用于数据中心、自动驾驶汽车和传感领域。它主要集中在电信波长范围(1.3 和 1.55 微米),在这一波长范围内,硅变得透明。在这一波长范围内,有极好的光源和光电探测器,以及损耗和色散极低的光纤。互补金属氧化物半导体(CMOS)制造基础设施和微电子技术的出现使这项技术受益匪浅。硅和锗作为另一种与 CMOS 兼容的第四组材料,在波长超过 2 微米时是透明的。中红外波长范围(2-20 微米)尤其重要,因为它包含许多分子的强烈吸收特征。因此,基于硅和锗(Ge)的平台为医疗和环境监测提供了在指纹区域进行小型、低成本传感的可能性。在本文中,我们将讨论中红外硅光子学的现状、未来发展方向以及该领域的潜在应用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Mid-infrared silicon photonics: From benchtop to real-world applications
Silicon photonics is one of the most dynamic fields within photonics, and it has seen huge progress in the last 20 years, addressing applications in data centers, autonomous cars, and sensing. It is mostly focused on the telecommunications wavelength range (1.3 and 1.55 µm), where silicon becomes transparent. In this range, there are excellent light sources and photodetectors, as well as optical fibers operating with extremely low losses and dispersion. It is a technology that hugely benefits from the availability of complementary metal–oxide–semiconductor (CMOS) fabrication infrastructure and techniques used for microelectronics. Silicon and germanium, as another CMOS compatible group IV material, are transparent beyond the wavelength of 2 µm. The mid-IR wavelength range (2–20 µm) is of particular importance as it contains strong absorption signatures of many molecules. Therefore, Si- and Ge-based platforms open up the possibility of small and cost-effective sensing in the fingerprint region for medical and environmental monitoring. In this paper, we discuss the current mid-IR silicon photonics landscape, future directions, and potential applications of the field.
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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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