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Article Dans Une Revue APL Photonics Année : 2023

Photonic THz mixers based on iron-doped InGaAs embedded in a plasmonic microcavity

Charbel Tannoury
Victor Merupo
Giuseppe Di Gioia
Jean-François Lampin
Stefano Barbieri
Emilien Peytavit

Résumé

We present an optoelectronic mixer for the terahertz (THz) frequency-domain based on an iron-doped InGaAs layer integrated in a plasmonic microcavity. We show that this structure, under 1550-nm-wavelength illumination, allows for more than 70% absorption efficiency in a 220 nm-thin InGaAs absorber and very high Roff/Ron >1000. It leads to THz mixers driven by 1550-nm lasers showing conversion loss as low as ∼30 dB at 300 GHz. Therefore, this design is very promising for application as receivers in high-data-rate wireless telecom, in cw-THz spectrometers, or in photonics-enabled THz spectrum analyzers.
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Dates et versions

hal-04268627 , version 1 (02-11-2023)

Identifiants

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Charbel Tannoury, Victor Merupo, Giuseppe Di Gioia, Vanessa Avramovic, David Troadec, et al.. Photonic THz mixers based on iron-doped InGaAs embedded in a plasmonic microcavity. APL Photonics, 2023, 8 (11), pp.116101. ⟨10.1063/5.0153046⟩. ⟨hal-04268627⟩
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