Search Results - "Peytavit, E"
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Ultrafast (≈10 GHz) mid-IR modulator based on ultrafast electrical switching of the light–matter coupling
Published in Applied physics letters (22-07-2024)“…We demonstrate a free-space amplitude modulator for mid-infrared radiation (λ ≈ 9.6 μm) that operates at room temperature up to at least 20 GHz (above the −3…”
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Journal Article -
2
High speed, antenna-enhanced 10.3 μm quantum cascade detector
Published in Applied physics letters (28-02-2022)“…The strong potential of intersubband detectors in the field of mid-infrared photodetection places this technology as a relevant alternative to HgCdTe detectors…”
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Journal Article -
3
Central role of electronic temperature for photoelectron charge and spin mobilities in p+-GaAs
Published in Applied physics letters (02-03-2015)“…The charge and spin mobilities of minority photoelectrons in p+-GaAs are determined by monitoring the effect of an electric field on the spatial profiles of…”
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4
Highly efficient terahertz detection by optical mixing in a GaAs photoconductor
Published in Applied physics letters (11-11-2013)“…It is shown from accurate on-wafer measurement that a low-temperature-grown GaAs photoconductor using a metallic mirror Fabry-Perot cavity can serve as highly…”
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Journal Article -
5
Resonant cavities for efficient LT-GaAs photoconductors operating at λ = 1550 nm
Published in APL photonics (01-10-2016)“…We show that photoconductors based on low-temperature-grown GaAs (LT-GaAs) can be efficiently operated by 1.55 μm telecom wavelength by using metallic mirror…”
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6
Photoassisted Fowler-Nordheim-like tunneling from passivated GaAs microcantilevers
Published in Physical review. B, Condensed matter and materials physics (15-03-2012)“…We have investigated the mechanisms of photoelectron tunneling into gold from tipless, nitridized, gallium arsenide microcantilevers through thin polymers. A…”
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7
Continuous terahertz-wave generation using a monolithically integrated horn antenna
Published in Applied physics letters (15-09-2008)“…A transverse electromagnetic horn antenna is monolithically integrated with a standard ultrafast interdigitated electrode photodetector on…”
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8
Radiation Pattern Measurements of an Integrated Transverse Electromagnetic Horn Antenna Using a Terahertz Photomixing Setup
Published in IEEE microwave and wireless components letters (01-01-2011)“…We report experimental radiation pattern measurements of a transverse electromagnetic horn antenna at the millimetric/sub-millimetric frontier (280-350 GHz)…”
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9
Terahertz frequency difference from vertically integrated low-temperature-grown GaAs photodetector
Published in Applied physics letters (12-08-2002)“…We report on the development of a photoconductive detector based on low-temperature-grown GaAs which is vertically integrated with terahertz spiral antennas. A…”
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10
Far-infrared cw difference-frequency generation using vertically integrated and planar low temperature grown GaAs photomixers: Application to H2S rotational spectrum up to 3 THz
Published in Applied physics. B, Lasers and optics (01-10-2004)“…The generation of continuous coherent THz radiation by mixing two cw Ti:Sa laser beams with a well-controlled frequency separation for a new scheme of…”
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11
Mid-infrared quantum well photodetectors with 100GHz 3dB-bandwidth at room temperature
Published in 2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) (17-09-2023)“…Ultra-fast, GaAs-based multi-quantum well photodetectors operating in the 9.5-11.5um range are demonstrated, with a 3dB-cutoff bandwidth of 100GHz at room…”
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Conference Proceeding -
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Traveling wave photomixers based on low-temperature-grown Gallium Arsenide reaching 50 mA/W under 1550 nm CW illumination
Published in 2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz) (28-08-2022)“…In this work we present an original design of a traveling-wave photomixer (TWP) based on low-temperature-grown GaAs layer (LT-GaAs) optimized for 1550 nm…”
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Conference Proceeding -
13
Optoelectronic THz mixer based on iron-doped InGaAs in a plasmonic microcavity
Published in 2022 47th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz) (28-08-2022)“…We present an optoelectronic THz mixer based on irondoped InGaAs integrated into a plasmonic microcavity. The measured conversion loss is as low as \sim 30 dB…”
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Conference Proceeding -
14
Wireless communication link at 300 GHz with up to 160 GBit/s
Published in 2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) (08-11-2020)“…We demonstrate a wireless communication link in the 300 GHz band with a maximum single channel data rate of 160 GHz achieved with QAM32 modulation at 32GBaud…”
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Conference Proceeding -
15
Shock wave coupling between terahertz transmission lines on GaAs
Published in Applied physics letters (22-09-2003)“…We experimentally study the behavior of an electromagnetic shock wave radiated by a picosecond electrical pulse propagating on a coplanar stripline at the…”
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Journal Article -
16
Low-Temperature-grown GaAs photoconductors suitable for 1550nm-wavelength illumination
Published in 2021 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz) (29-08-2021)“…In this communication, we show that ultrafast photoconductors based on low-temperature-grown Gallium Arsenide material exhibit photoresponse values reaching 11…”
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Conference Proceeding -
17
Low-Temperature-Grown Gallium Arsenide Photoconductors with Photoresponse reaching 25 mA/W under 1550nm CW excitation
Published in 2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) (08-11-2020)“…We show in this communication that photoconductors based on GaAs grown at low temperature can exhibit photoresponses as high as 25 mA/W under continuous-wave…”
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Conference Proceeding -
18
Millimeter-long travelling wave photoconductors for THz generation by photomixing
Published in 2021 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz) (29-08-2021)“…In this communication we present the development of a travelling wave photoconductor for THz generation by photomixing. It is based on a silicon nitride…”
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Conference Proceeding -
19
High speed mid-IR Quantum Cascade Detector at room temperature
Published in 2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) (08-11-2020)“…We present a high-speed antenna enhanced Quantum Cascade Detector at 10.3μm. By using a coherent detection scheme and thin InGaAs/AlInAs heterostructure…”
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Conference Proceeding -
20
Room Temperature Heterodyne Detection up to 70GHz With Antenna-Coupled Quantum-Well Photodetectors Operating at 10μm
Published in 2020 45th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) (08-11-2020)“…III-V semiconductor mid-infrared photodetectors based on intersubband transitions hold a great potential for ultra-high-speed operation up to several hundreds…”
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Conference Proceeding