Search Results - "Teppe, Frédéric"
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Broadband terahertz imaging with highly sensitive silicon CMOS detectors
Published in Optics express (11-04-2011)“…This paper investigates terahertz detectors fabricated in a low-cost 130 nm silicon CMOS technology. We show that the detectors consisting of a nMOS field…”
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2
Quantum spin Hall insulator with a large bandgap, Dirac fermions, and bilayer graphene analog
Published in Science advances (01-04-2018)“…The search for room temperature quantum spin Hall insulators (QSHIs) based on widely available materials and a controlled manufacturing process is one of the…”
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3
Dirac-Like Fermions Anomalous Magneto-Transport in a Spin-Polarized Oxide 2D Electron System
Published in Advanced materials (Weinheim) (30-10-2024)“…In a 2D electron system (2DES) the breaking of the inversion, time-reversal and bulk crystal-field symmetries is interlaced with the effects of spin-orbit…”
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4
Experimental evidence for long-distance electrodynamic intermolecular forces
Published in Science advances (18-02-2022)“…Both classical and quantum electrodynamics predict the existence of dipole-dipole long-range electrodynamic intermolecular forces; however, these have never…”
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Plasma-Wave Detectors for Terahertz Wireless Communication
Published in IEEE electron device letters (01-10-2012)“…We report on terahertz wireless communication experiments at 0.3 THz using 250-nm gate-length GaAs/AlGaAs field-effect transistor (FET) as a detector and…”
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6
Terahertz Detection and Imaging Using Graphene Ballistic Rectifiers
Published in Nano letters (08-11-2017)“…A graphene ballistic rectifier is used in conjunction with an antenna to demonstrate a rectenna as a terahertz (THz) detector. A small-area (<1 μm2) local gate…”
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Room-Temperature Terahertz Detectors Based on Semiconductor Nanowire Field-Effect Transistors
Published in Nano letters (11-01-2012)“…The growth of semiconductor nanowires (NWs) has recently opened new paths to silicon integration of device families such as light-emitting diodes,…”
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Field Effect Transistors for Terahertz Detection: Physics and First Imaging Applications
Published in Journal of Infrared, Millimeter, and Terahertz Waves (01-12-2009)“…Resonant frequencies of the two-dimensional plasma in FETs increase with the reduction of the channel dimensions and can reach the THz range for sub-micron…”
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9
Magnetoconductivity and Terahertz Response of a HgCdTe Epitaxial Layer
Published in Sensors (Basel, Switzerland) (08-12-2018)“…An epitaxial layer of HgCdTe-a THz detector-was studied in magnetotransmission, magnetoconductivity and magnetophotoconductivity experiments at cryogenic…”
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10
Terahertz imaging of Landau levels in HgTe-based topological insulators
Published in Applied physics letters (27-06-2016)“…We report on sub-terahertz photoconductivity under the magnetic field of a two dimensional topological insulator based on HgTe quantum wells. We perform a…”
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11
Magneto-transport in inverted HgTe quantum wells
Published in npj quantum materials (23-04-2019)“…HgTe quantum wells (QWs) are two-dimensional semiconductor systems that change their properties at the critical thickness d c , corresponding to the band…”
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12
Stimulated Emission up to 2.75 µm from HgCdTe/CdHgTe QW Structure at Room Temperature
Published in Nanomaterials (Basel, Switzerland) (28-07-2022)“…Heterostructures with thin Hg(Cd)Te/CdHgTe quantum wells (QWs) are attractive for the development of mid-infrared interband lasers. Of particular interest are…”
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13
Real-time nondestructive imaging with THz waves
Published in 2016 21st International Conference on Microwave, Radar and Wireless Communications (MIKON) (01-05-2016)“…The aim of this report is to present potential interest of a new technology of sensor for measuring terahertz radiation at room temperature and its application…”
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Conference Proceeding -
14
Experimental Observation of Temperature-Driven Topological Phase Transition in HgTe/CdHgTe Quantum Wells
Published in Condensed matter (01-03-2019)“…We report on the comparison between temperature-dependent magneto-absorption and magnetotransport spectroscopy of HgTe/CdHgTe quantum wells in terms of the…”
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15
Field Effect Transistors for Terahertz Detection and Emission
Published in Journal of infrared, millimeter and terahertz waves (01-05-2011)“…Resonant frequencies of the two-dimensional plasma in field effect transistors (FETs) increase with the reduction of the channel dimensions and can reach the…”
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16
Magnetic-field-induced corner states in quantum spin Hall insulators
Published 16-03-2023“…We address the general problem of magnetic-field-induced corner states in quantum spin Hall insulators (QSHIs). Our analytical findings reveal that when…”
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17
Relativistic collapse of Landau levels of Kane fermions in crossed electric and magnetic fields
Published 11-03-2022“…Phys. Rev. B 105, 125203 (2022) Using an elegant model involving only $\Gamma_{6c}$ and $\Gamma_{8v}$ bands, massless Kane fermions were defined as the…”
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18
Disorder-induced topological phase transition in HgCdTe crystals
Published 14-09-2022“…Using the self-consistent Born approximation, we study a topological phase transition appearing in bulk HgCdTe crystals induced \emph{uncorrelated} disorder…”
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19
Plasma wave field effect transistor as a resonant detector for 1 terahertz imaging applications
Published in Optics communications (01-08-2009)“…The possibility of using plasma wave field effect transistor in a time domain terahertz (THz) spectroscopy setup is presented. We demonstrate that High…”
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Terahertz detection by InGaAs HEMTs in quantizing magnetic fields: Relation between magnetoresistance and photovoltaic response
Published in 35th International Conference on Infrared, Millimeter, and Terahertz Waves (01-09-2010)“…THz detection by plasma wave mechanism in InGaAs HEMTs is studied in high/quantizing magnetic fields regime. The correlation between the photovoltaic response…”
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Conference Proceeding