Tamm-cavity terahertz detector [PDF]
Nature Communications, 2023 Efficiently fabricating a cavity that can achieve strong interactions between terahertz waves and matter would allow researchers to exploit the intrinsic properties due to the long wavelength in the terahertz waveband.
Xuecou Tu +21 more
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Fabrication of Graphene Nanomesh FET Terahertz Detector [PDF]
Micromachines, 2021 High sensitivity detection of terahertz waves can be achieved with a graphene nanomesh as grating to improve the coupling efficiency of the incident terahertz waves and using a graphene nanostructure energy gap to enhance the excitation of plasmon ...
Yuan Zhai +7 more
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Sensitive Room-Temperature Graphene Photothermoelectric Terahertz Detector Based on Asymmetric Antenna Coupling Structure [PDF]
Sensors, 2023 A highly sensitive room-temperature graphene photothermoelectric terahertz detector, with an efficient optical coupling structure of asymmetric logarithmic antenna, was fabricated by planar micro-nano processing technology and two-dimensional material ...
Liang Hong +5 more
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A Terahertz Optomechanical Detector Based on Metasurface and Bi-Material Micro-Cantilevers
Micromachines, 2022 Terahertz imaging technology has shown great potential in many fields. As the core component of terahertz imaging systems, terahertz detectors have received extensive attention.
Hailiang Zhu +6 more
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Monolayer Graphene Terahertz Detector Integrated with Artificial Microstructure [PDF]
Sensors, 2023 Graphene, known for its high carrier mobility and broad spectral response range, has proven to be a promising material in photodetection applications. However, its high dark current has limited its application as a high-sensitivity photodetector at room ...
Mengjie Jiang +6 more
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Recent Progress in the Development of Graphene Detector for Terahertz Detection
Sensors, 2021 Terahertz waves are expected to be used in next-generation communications, detection, and other fields due to their unique characteristics. As a basic part of the terahertz application system, the terahertz detector plays a key role in terahertz ...
Jianlong Liu +9 more
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A Compact 380 GHz Zero-Bias Schottky Diode Detector for High-Sensitivity Radiometer Applications [PDF]
MicromachinesReliable terahertz radiometer receiver systems demand detectors that combine high sensitivity with structural robustness. This paper presents the design, fabrication, and characterization of a 380 GHz zero-bias detector based on an ACST Schottky diode ...
Huilin Tang, Yongsheng Deng, Dehai Zhang
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Large-area photonic circuits for terahertz detection and beam profiling [PDF]
Light: Science & ApplicationsDeployment of terahertz communication and spectroscopy systems relies on the availability of low-noise and fast detectors, with plug-and-play capabilities. However, most current technologies are stand-alone, discrete components.
Alessandro Tomasino +3 more
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Homodyne Spectroscopy with Broadband Terahertz Power Detector Based on 90-nm Silicon CMOS Transistor
Applied Sciences, 2021 Over the last two decades, photomixer-based continuous wave systems developed into versatile and practical tools for terahertz (THz) spectroscopy. The high responsivity to the THz field amplitude of photomixer-based systems is predetermined by the ...
Kęstutis Ikamas +2 more
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Regenerative terahertz quantum detectors [PDF]
APL Photonics, 2021 Because of the ultrafast and photon-driven nature of the transport in their active region, we demonstrate that quantum cascade lasers can be operated as resonantly amplified terahertz detectors with wide RF bandwidth. Tunable responsivities up to 50 V/W and noise equivalent powers down to 100 pW/Hz1/2 are demonstrated at 4.7 THz.
Paolo Micheletti +5 more
openaire +4 more sources