微镜辅助中红外等离子束组合器单片集成量子级联激光器和探测器

IF 6.6 2区 物理与天体物理 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY
Georg Marschick, Mauro David, Xaver Gsodam, Nikola Opačak, Dominik Koukola, Elena Arigliani, Axel Evirgen, Virginie Trinité, Salvatore Pes, Stefania Isceri, Hermann Detz, Werner Schrenk, Aaron M. Andrews, Bernhard Lendl, Benedikt Schwarz, Gottfried Strasser, Borislav Hinkov
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引用次数: 0

摘要

新型中红外(MIR)设备和系统的发展对于解决生物医学分析、化学反应监测或高比特率自由空间通信的应用至关重要。将一个芯片上的多个功能元件组合成复杂的小型化光子集成电路(pic)是这些发展的下一步,但受到现有材料和技术的限制。在这项工作中,我们介绍了一种基于低损耗片上等离子体引导和光束组合实现全单片MIR-PICs的新概念。我们研究的核心展示了一种单片束组合器,该组合器将主动量子级联(QC)器件集成在~ 8 μ m处(激光和探测器),并基于弱耦合Ge/Au等离子体和片上微镜光学定制无源波导。片上镀金微镜增强了等离子体波导的方向控制和光束组合能力,同时最大限度地减少了通常与紧密等离子体约束相关的能量耗散。我们讨论了MIR-PIC光束组合器的设计、微加工和特性,并将其与利用强约束的简单等离子体Ge/Au耦合器的路由概念进行了比较。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Micro-mirror aided mid-infrared plasmonic beam combiner monolithically integrated with quantum cascade lasers and detectors
The development of novel mid-infrared (MIR) devices and systems is crucial for addressing applications in biomedical analysis, chemical reaction-monitoring, or high-bitrate free-space telecommunication. Combining multiple functional elements on one chip into complex miniaturized photonic integrated circuits (PICs), is the next step in these developments, yet limited by existing material and technology constraints. In this work, we introduce a new concept for realizing fully monolithic MIR-PICs based on low-loss on-chip plasmonic guiding and beam combining. The core of our study demonstrates a monolithic beam combiner by integration of active quantum cascade (QC) devices at ∼8 µm (laser and detector) with tailored passive waveguides based on weakly-coupled Ge/Au plasmonics and on-chip micro-mirror optics. The on-chip gold-coated micro-mirrors enhance the directional control and beam combining capabilities of the plasmon waveguides while minimizing energy dissipation typically associated with tight plasmon confinement. We discuss the MIR-PIC beam combiner design, micro-fabrication, and characterization and compare it to the routing concept of simple plasmonic Ge/Au y-couplers exploiting strong-confinement.
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来源期刊
Nanophotonics
Nanophotonics NANOSCIENCE & NANOTECHNOLOGY-MATERIALS SCIENCE, MULTIDISCIPLINARY
CiteScore
13.50
自引率
6.70%
发文量
358
审稿时长
7 weeks
期刊介绍: Nanophotonics, published in collaboration with Sciencewise, is a prestigious journal that showcases recent international research results, notable advancements in the field, and innovative applications. It is regarded as one of the leading publications in the realm of nanophotonics and encompasses a range of article types including research articles, selectively invited reviews, letters, and perspectives. The journal specifically delves into the study of photon interaction with nano-structures, such as carbon nano-tubes, nano metal particles, nano crystals, semiconductor nano dots, photonic crystals, tissue, and DNA. It offers comprehensive coverage of the most up-to-date discoveries, making it an essential resource for physicists, engineers, and material scientists.
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