Search Results - "Gellie, Pierre"
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1
Terahertz Nondestructive Testing with Ultra-Wideband FMCW Radar
Published in Sensors (Basel, Switzerland) (24-12-2022)“…This paper presents the development, performance, integration, and implementation of a 150 GHz FMCW radar based on a homodyne harmonic mixing scheme for…”
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Journal Article -
2
Coherent sampling of active mode-locked terahertz quantum cascade lasers and frequency synthesis
Published in Nature photonics (01-05-2011)“…Terahertz quantum cascade lasers are compact, electrically pumped semiconductor laser sources that are capable of delivering tens of milliwatts of power in…”
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3
A Versatile Illumination System for Real-Time Terahertz Imaging
Published in Sensors (Basel, Switzerland) (17-07-2020)“…Terahertz technologies are attracting strong interest from high-end industrial fields, and particularly for non-destructive-testing purposes. Currently lacking…”
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4
Injection-locking of terahertz quantum cascade lasers up to 35GHz using RF amplitude modulation
Published in Optics express (27-09-2010)“…We demonstrate that the cavity resonance frequency - the round-trip frequency - of Terahertz quantum cascade lasers can be injection-locked by direct…”
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Journal Article -
5
Développements par Radar FMCW THz ultra-wideband pour le contrôle non destructif et la métrologie d’épaisseur sans contact sur polymères
Published in E-journal of Nondestructive Testing (01-09-2023)“…Ce papier détaille des avancées applicatives de contrôle térahertz liées à deux technologies de radars FMCW à visée de contrôle volumique non destructif et de…”
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6
Phase-locking of a 2.7-THz quantum cascade laser to a mode-locked erbium-doped fibre laser
Published in Nature photonics (01-09-2010)“…Mode-locked femtosecond lasers have revolutionized the field of optical metrology by allowing the realization of ultra-stable phase-coherent links between the…”
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7
Skeletonization and 3D rendering with real time terahertz tomography
Published in Optics continuum (15-05-2023)“…Terahertz technology (spanning between 0.1 and 10 THz) is now a well-established tool to achieve contactless sensing and non-destructive testing (NDT). Among…”
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8
Terahertz Quantum-Cascade Lasers: From Design to Applications
Published in IEEE transactions on terahertz science and technology (01-09-2024)“…We report on the development and the application of high-performance terahertz (THz) quantum-cascade lasers (QCLs) based on GaAs/Al<inline-formula><tex-math…”
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9
Metal-metal terahertz quantum cascade laser with micro-transverse-electromagnetic-horn antenna
Published in Applied physics letters (03-11-2008)“…A 2.8 THz metal-metal quantum cascade laser operating with a micro transverse-electromagnetic-horn antenna has been demonstrated. By comparing the far-field…”
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10
Microwave modulation of terahertz quantum cascade lasers:a transmission-line approach
Published in Applied physics letters (11-01-2010)“…We report on microwave impedance measurements of metal-metal ridge-waveguide terahertz quantum cascade lasers. Experimental data, recorded at 4 K in the 100…”
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11
Power Detection for the H-Band in the Antenna Near Field
Published in 2024 54th European Microwave Conference (EuMC) (24-09-2024)“…In order to reliably compare the output power of millimeter wave sources, the employed power detectors must exhibit an unbroken calibration chain to a national…”
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Conference Proceeding -
12
Coherent sampling of active mode-locked terahertz quantum cascade lasers and frequency synthesis
Published in Nature photonics (01-06-2011)Get full text
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13
Erratum: Coherent sampling of active mode-locked terahertz quantum cascade lasers and frequency synthesis
Published in Nature photonics (31-05-2011)“…Nature Photonics 5, 306–313 (2011); published online 24 April 2011; corrected after print 26 April 2011. In the version of this Article originally published,…”
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14
Gain enhancement in a terahertz quantum cascade laser with parylene antireflection coatings
Published in Applied physics letters (07-03-2011)“…We study the effect of parylene antireflection coatings on the gain of a 2.8 THz quantum cascade laser using terahertz time-domain spectroscopy. With…”
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15
Stabilization and mode locking of terahertz quantum cascade lasers
Published in IEEE journal of selected topics in quantum electronics (01-01-2013)“…We present the stabilization of terahertz (THz) quantum cascade lasers (QCLs) to a harmonic of the repetition rate of femtosecond fiber lasers. The technique…”
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16
Spectral Properties of THz Quantum-Cascade Lasers: Frequency Noise, Phase-Locking and Absolute Frequency Measurement
Published in Journal of infrared, millimeter and terahertz waves (01-06-2013)“…Quantum cascade lasers combine desirable features, namely high optical power and compactness, as no other coherent source in the field of THz generation. While…”
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17
Characterization of Schottky Diodes at Wafer Level for Frequency Multipliers Applications Based on RF Coplanar Measurements
Published in 2024 19th European Microwave Integrated Circuits Conference (EuMIC) (23-09-2024)“…While Schottky diode for THz generation have been extensively studied over last decades, technological developments are still required to reach the physical…”
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Conference Proceeding -
18
Enhanced Range Migration Algorithm for sub-mm resolution imaging at 120 GHz
Published in 2024 49th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) (01-09-2024)“…A 3D close range Synthetic Aperture Radar system based on the Range Migration Algorithm and working with an affordable and compact Si-Ge Frequency Modulated…”
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Conference Proceeding -
19
New Approach to Absolute Power Measurements in the WR-3 Band
Published in 2023 53rd European Microwave Conference (EuMC) (19-09-2023)“…Absolute power measurements are crucial for the development of mm-wave sources and for their safe operation. In a French-German research project, we are…”
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Conference Proceeding -
20
THz uncooled microbolometer array development for active imaging and spectroscopy applications
Published in 35th International Conference on Infrared, Millimeter, and Terahertz Waves (01-09-2010)“…A first prototype of 320×240 antenna-coupled un-cooled a-Si micro-bolometers array has been designed and processed. Beam profiles emitted by THz QCLs have been…”
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Conference Proceeding