Publications

• Communication dans un congrès

[Invited] From a single dendrite to dendritic networks: towards multi-terminal OECTs

C. Scholaert, K. Janzakova, Yannick Coffinier, Sébastien Pecqueur, F. Alibart

In the quest to change the way we envision computing, the ability to create connections in between computing nodes on demand offers the very exciting possibility to explore bottom-up strategies when it comes to thinking the design of electronic devices a nd circuits. Recently, the growth of…

3rd Workshop on Neuromorphic Organic Devices, Sep 2023, Bad Schandau, Germany. ⟨hal-04434338⟩

• Communication dans un congrès

Angular spectrum method for acoustic beam in anisotropic media and structures

Wei-Jiang Xu, Jinying Zhang, Xianmei Wu, Samuel Dupont

2023 International Congress on Ultrasonics, ICU, Sep 2023, Beijing, China. ⟨hal-04470200⟩

• Communication dans un congrès

[Invited] Pushing the breakdown voltage and temperature capabilities of GaN HEMTs by using UWBG Al-rich channel

F Medjdoub

The rapidly increasing power demand, downsizing of power electronics and material specific limitation of silicon has led to development of AlGaN/GaN heterostructures. Commercial GaN power devices are best available for radio frequency (RF) and high voltage switching applications. Emerging AlxGa1-xN…

European Materials Research Society Fall 2023 (EMRS-2023), Sep 2023, Warsaw, Poland. ⟨hal-04436468⟩

• Communication dans un congrès

Low-loss, 1-m long length, hollow-core THz waveguide operating at 1 THz, based on anti-resonant guiding mechanism

Georges Humbert, Jean-Louis Auguste, Guillaume Ducournau, Jean-Francois Lampin

A hollow-core THz waveguide composed of 10 silica capillaries is designed and fabricated. The waveguide based on the anti-resonant guiding mechanism presents a large transmission window (∼>600 GHz) centered at 1 THz, with measured propagation losses below 0.5 dB/m.

2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Sep 2023, Montreal, Canada. pp.1-2, ⟨10.1109/IRMMW-THz57677.2023.10298994⟩. ⟨hal-04277617⟩

• Communication dans un congrès

On-wafer RF high-power measurement with an LSMO load at 40 GHz

T. Quinten, Jean-Francois Lampin, Etienne Okada, V. Pierron, C. Gunther, Laurence Méchin, B. Walter, B. Guillet

We present a novel technique to measure RF power directly in the plane of a DUT using a CPW (CoPlanar Waveguide) test-pattern as an on-wafer power meter. Preliminary results show that we have been able to measure 24 dBm at 40 GHz.

2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Sep 2023, Montreal, Canada. pp.1-2, ⟨10.1109/IRMMW-THz57677.2023.10299045⟩. ⟨hal-04277896⟩

• Communication dans un congrès

59 Lines Measurement in a Single Experiment using Super-Resolution TDS

Noureddin Osseiran, Aditya Raj, Théo Hannotte, Sophie Eliet, Romain Peretti

Terahertz time domain spectroscopy (THz-TDS) has emerged as a versatile tool for investigating the physical properties of materials. However, its potential for gas-phase studies has remained largely unexplored, and it gained attention recently. We present here an extended application of the…

2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Sep 2023, Montreal, Canada. pp.1-2, ⟨10.1109/IRMMW-THz57677.2023.10299388⟩. ⟨hal-04277652⟩

• Communication dans un congrès

Spintronic Terahertz Emitter on a Fiber Tip

Felix Paries, Nicolas Tiercelin, Geoffrey Lezier, Mathias Vanwolleghem, Felix Selz, Maria-Andromachi Syskaki, Fabian Kammerbauer, Gerhard Jakob, Martin Jourdan, Mathias Kläui, Zdenek Kaspar, Tobias Kampfrath, Tom Seifert, Georg Von Freymann, Daniel Molter

Spintronic terahertz emitters have attracted considerable interest within the last decade. They promise terahertz sources with unmatched broad frequency bandwidth which are easy to manufacture and operate, and therefore easy to scale at low cost. However, the experiments and proofs of concept rely…

2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Sep 2023, Montreal, Canada. pp.1-2, ⟨10.1109/IRMMW-THz57677.2023.10299018⟩. ⟨hal-04435176⟩

• Communication dans un congrès

Mid-infrared quantum well photodetectors with 100GHz 3dB-bandwidth at room temperature

Q. Lin, M. Hakl, Jean-Francois Lampin, W. Wan, J. Cao, H. Li, Emilien Peytavit, S Barbieri

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 temperature. The multi quantum-well active region is sandwiched between a bottom metallic ground-plane and a top two-dimensional array of patch…

2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Sep 2023, Montreal, Canada. pp.1-2, ⟨10.1109/IRMMW-THz57677.2023.10299145⟩. ⟨hal-04277577⟩

• Communication dans un congrès

Adapting terahertz spintronic emitters towards maximum performance

Pierre Koleják, Geoffrey Lezier, Lukáš Halagačka, Baptiste Mathmann, Daniel Vala, Zuzana Gelnárová, Yannick Dusch, Jean-François Lampin, Nicolas Tiercelin, Kamil Postava, Mathias Vanwolleghem

The boom in terahertz technologies of the last few decades is now not limited to the use of electric charge, but also fully exploits spin. Revolutionary spintronic terahertz emitters (STEs) offer versatile usage under a wide range of visible and infrared excitation wavelengths, arbitrary reflection…

2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Sep 2023, Montreal, Canada. pp.1-2, ⟨10.1109/IRMMW-THz57677.2023.10299199⟩. ⟨hal-04277716⟩

• Communication dans un congrès

200 Gbit/s terahertz tunneling demultiplexer in 300 GHz band

Daniel Headland, Withawat. Withayachumnankul, Masayuki. Fujita, Tadao Nagatsuma, Pascal Szriftgiser, Guillaume Ducournau

We showcase here the experimental demonstration of demultiplexing terahertz channels with up to 200 Gbit/s aggregated data-rate, using 4 carrier frequencies. The demonstration is carried out in the 300 GHz band. Best error vector magnitude obtained values are in the range 6-9%, with 50 Gbit/s per…

2023 48th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Sep 2023, Montreal, Canada. pp.1-2, ⟨10.1109/IRMMW-THz57677.2023.10299212⟩. ⟨hal-04277435⟩