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Article Dans Une Revue ACS photonics Année : 2022

Mid-infrared Integrated Electro-optic Modulator Operating up to 225 MHz between 6.4 and 10.7 μm Wavelength

Miguel Montesinos-Ballester
Lucas Deniel
  • Fonction : Auteur
Natnicha Koompai
  • Fonction : Auteur
Thi Hao Nhi Nguyen
  • Fonction : Auteur
Jacopo Frigerio
  • Fonction : Auteur
Andrea Ballabio
Virginia Falcone
Xavier Le Roux
  • Fonction : Auteur
Carlos Alonso-Ramos
  • Fonction : Auteur
Laurent Vivien
Adel Bousseksou
Giovanni Isella

Résumé

Mid-infrared spectroscopy is essential for identifying molecular species, while related electro-optic modulators are crucial for signal-to-noise enhancement via synchronous detection. Therefore, the development of integrated modulators is expected to have a major impact in compact and widespread sensing applications. In this work, we experimentally demonstrate a broadband integrated electro-optic modulator, based on a graded-index SiGe photonics platform and free-carrier plasma dispersion effect. Optical modulation is reported from 6.4 to 10.7 μm wavelength, showing an operational frequency up to 225 MHz. These results pave the way for the development of multimolecule on-chip spectroscopic systems, operating at the longest mid-infrared wavelengths.
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Dates et versions

hal-04077493 , version 1 (21-04-2023)

Identifiants

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Miguel Montesinos-Ballester, Lucas Deniel, Natnicha Koompai, Thi Hao Nhi Nguyen, Jacopo Frigerio, et al.. Mid-infrared Integrated Electro-optic Modulator Operating up to 225 MHz between 6.4 and 10.7 μm Wavelength. ACS photonics, 2022, 9 (1), pp.249-255. ⟨10.1021/acsphotonics.1c01449⟩. ⟨hal-04077493⟩
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