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Article Dans Une Revue ACS photonics Année : 2023

Visible and Infrared Nanocrystal-based Light Modulator with CMOS Compatible Bias Operation

Huichen Zhang
Erwan Bossavit
Tung Huu Dang
Adrien Khalili
Claire Abadie
Charlie Gréboval
Juan Climente
Thierry Barisien

Résumé

Nanocrystals are now established light sources, and as synthesis and device integration have gained maturity, new functionalities can now be considered. So far, the emitted light from a nanocrystal population remains mostly driven by the structural properties (composition, size, shape) of the particle, and only limited post-synthesis tunability has been demonstrated. Here, we explore the design of light amplitude modulators using a nanocrystal-based light-emitting diode operated under reverse bias. We demonstrate strong photoluminescence modulations for devices operating in the visible and near telecom wavelengths using low bias operations (<3 V) compatible with conventional electronics. For a visible device based on 2D nanoplatelets, we demonstrate that the photoluminescence quenching is driven by the field-induced change of non-radiative decay rate and that the field is less involved than the particle charging. This work demonstrates that a simple diode stack can combine several functionalities (light emitting diode, detector, and light modulator) simply by selecting the driving bias.
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Dates et versions

hal-03958864 , version 1 (26-01-2023)

Identifiants

Citer

Huichen Zhang, Victor Guilloux, Erwan Bossavit, Ningyuan Fu, Corentin Dabard, et al.. Visible and Infrared Nanocrystal-based Light Modulator with CMOS Compatible Bias Operation. ACS photonics, 2023, 10 (2), pp.430-436. ⟨10.1021/acsphotonics.2c01495⟩. ⟨hal-03958864⟩
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