Millimeter-long travelling wave photoconductors for THz generation by photomixing

Autor: V. Magnin, David Troadec, Etienne Okada, F. Bavedila, Sylvie Lepilliet, Dmitri A. Yarekha, J.-F. Lampin, Vanessa Avramovic, Emilien Peytavit, Q. Lin, Goulc'Hen Loas, C. Tannoury, M. Faucher, Guillaume Ducournau

Publikováno v: IEEE Xplore
46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz 2021)
46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz 2021), Aug 2021, Chengdu, China. ⟨10.1109/IRMMW-THz50926.2021.9567211⟩

International audience; In this communication we present the development of a travelling wave photoconductor for THz generation by photomixing. It is based on a silicon nitride optical waveguide coupled to a membrane-supported low-temperature-grown G

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a20865d263d22110697e1fb4e59254e4
https://hal.science/hal-03584648

LT-GaAs-based photomixers with >2 mW peak output power up to 320 GHz

Autor: Emilien Peytavit, Guillaume Ducournau, J-F. Lampin, F. Bavedila, Etienne Okada

Publikováno v: 2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)
2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), Sep 2019, Paris, France. ⟨10.1109/IRMMW-THz.2019.8874037⟩
44th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2019
44th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2019, Sep 2019, Paris, France. ⟨10.1109/IRMMW-THz.2019.8874037⟩

International audience; It is shown in this communication that a LT-GaAs photomixer based on an optically resonant cavity is able to generate peak output powers above 2 mW up to 320 GHz when it is driven by optical pulses of 5 ns width at a repetitio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5ab9ca504125efeba82ae95a9aad521c
https://hal.science/hal-02323311

InAlAs/InGaAs-MSM photodetectors based on optical cavity using metallic mirrors: THz frequency operation, high quantum efficiency and high saturation current

Autor: Xavier Wallart, Vanessa Avramovic, Maximilien Billet, F. Bavedila, Guillaume Ducournau, C. Coinon, Jean-Francois Lampin, Sara Bretin, Emilien Peytavit

Publikováno v: Applied Physics Letters
Applied Physics Letters, 2019, 114 (16), pp.161104. ⟨10.1063/1.5092283⟩
Applied Physics Letters, American Institute of Physics, 2019, 114 (16), pp.161104. ⟨10.1063/1.5092283⟩

International audience; We present a metallic mirror-based resonant cavity-enhanced InAlAs/InGaAs metal-semiconductor-metal (InAlAs/InGaAs-MSM) photodetector driven by a 1550 nm wavelength illumination. The device shows a quantum efficiency higher th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::70065ac4f5ba183d482a65c2c2d954fc
https://hal.science/hal-03324947/file/Version_HAL.pdf

Sub‐sampling of RF and THz waves using LT‐GaAs photoconductors under 1550 nm light excitation

Autor: J.-F. Lampin, F. Bavedila, R. Holzwarth, Stefano Barbieri, Guillaume Ducournau, M. Billet, W. Hansel, Emilien Peytavit, Y. Desmet

Publikováno v: Electronics Letters. 53:1596-1598

Low-temperature-grown GaAs (LT-GaAs)-based Fabry-Perot cavity photoconductors, designed for RF and THz optoelectronics applications using1550 nm lasers, are studied. The sub-sampling of continuous waves at frequencies up to 300 GHz is presented. The

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::07e06986048a2a79eb3ef36707f14ade
https://doi.org/10.1049/el.2017.2769

Development of an highly distributed photoconductor for CW THz generation

Autor: Joseph Harari, V. Avramovic, Sylvie Lepilliet, D. Yarekha, Guillaume Ducournau, J-F. Lampin, Emilien Peytavit, F. Bavedila, Vincent Magnin, David Troadec

Publikováno v: 2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz).

In this communication, we propose a new architecture of photomixer in order to develop a wideband and powerful photomixing THz source. It is achieved by a velocity-matched distributed photoconductor (VMDP), in which the pump optical power is guided i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::485d799bdd4346ea77467a7e961d18a4
https://doi.org/10.1109/irmmw-thz.2018.8509954