紧凑，热电冷却表面发射太赫兹qcl在HHL外壳中运行

IF 6.6 2区物理与天体物理 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Nanophotonics Pub Date : 2025-06-30 DOI:10.1515/nanoph-2025-0185

Sebastian Gloor, Adrian Weisenhorn, Léo Hetier, Urban Senica, Richard Maulini, Mattias Beck, Jérôme Faist, Giacomo Scalari

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引用次数: 0

摘要

由于最近源和探测器的进步，太赫兹（THz）技术正在经历快速发展。我们提出了一种3.9太赫兹量子级联激光器，工作在紧凑的高热负荷（HHL）外壳中。该器件具有环形镜面后反射器和干蚀刻表面发射天线，可形成远场图案，以优化与用户定义器件的耦合。实验测得185k时的峰值功率为1.8 mW，平均功率为4.5 μW，用室温太赫兹相机可以很容易地检测到器件输出。

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Compact, thermoelectrically cooled surface emitting THz QCLs operating in an HHL housing

Terahertz (THz) technology is experiencing rapid progress thanks to recent advancements in sources and detectors. We present a 3.9 THz quantum cascade laser operating in a compact high heat load (HHL) housing. The device features a loop mirror back reflector and a dry-etched surface-emitting antenna that shapes the far-field pattern to optimize coupling to user-defined devices. A peak power of 1.8 mW and average power of 4.5 μW at 185 K are measured experimentally, and the device output is easily detected with a room-temperature THz camera.

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来源期刊

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.