Guided-Mode Resonator Coupled with Nanocrystal Intraband Absorption

Adrien Khalili; Mateusz Weis; Simon Gwénaël Mizrahi; Audrey Chu; Tung Huu Dang; Claire Abadie; Charlie Gréboval; Corentin Dabard; Yoann Prado; Xiang Zhen Xu; Emmanuel Péronne; Clément Livache; Sandrine Ithurria; Gilles Patriarche; Julien Ramade; Grégory Vincent; Davide Boschetto; Emmanuel Lhuillier

doi:10.1021/acsphotonics.1c01847

journal article·2022-03-16Open access

Guided-Mode Resonator Coupled with Nanocrystal Intraband Absorption

Adrien Khalili, Mateusz Weis, Simon Gwénaël Mizrahi, Audrey Chu, Tung Huu Dang, Claire Abadie, Charlie Gréboval, Corentin Dabard, Yoann Prado, Xiang Zhen Xu, Emmanuel Péronne, Clément Livache, Sandrine Ithurria, Gilles Patriarche, Julien Ramade, Grégory Vincent, Davide Boschetto, Emmanuel Lhuillier

ACS Photonics· Volume 9· Issue 3

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Source abstract

Abstract

Intraband absorption in doped nanocrystals offers an interesting alternative to narrow-band-gap materials to explore mid-infrared optoelectronic device designs. However, the performance of such a device clearly lags behind the ones relying on intrinsic materials. Livache et al. proposed a dye-sensitized approach to overcome the limitations observed from intraband materials (high dark current, slow response, low activation energy), where an intraband absorber is coupled with an undoped material, which takes care of the charge conduction. Here, we unveil the coupling between both materials using mid-infrared transient reflectivity (TR) measurement. We show that the hybrid material displays a unique feature in the TR signal that we attribute to a charge transfer for which the dynamics matches the hopping time. Then, we developed a strategy to enhance the photodetection performances of the hybrid material by coupling the intraband absorption to a light resonator for the first time. The latter is used to enhance the absorption by a factor of 4 and enables an increase in the operating temperature by 80 K compared to the reference device. The obtained device matches the performance of the best devices relying on intraband absorption.

Source: openalex_inverted_index · Quality: baseline

Research context

Nanomaterials Electronic materials

OpenAlex topics: Photonic and Optical Devices · Spectroscopy and Laser Applications · Quantum Dots Synthesis And Properties

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Institut des NanoSciences de Paris, INSP, Sorbonne Université, CNRS, F-75005 Paris, France

CNRS, Ecole Polytechnique, ENSTA Paris, Institut Polytechnique de Paris, LOA, Laboratoire d’Optique Appliquée, 181 Chemin de la Hunière et des Joncherettes, 91120 Palaiseau, France

Laboratoire de Physique et d’Etude des Matériaux, ESPCI-Paris, PSL Research University, Sorbonne Université Univ Paris 06, CNRS UMR 8213, 10 rue Vauquelin 75005 Paris, France

Chemistry Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, United States

Centre de Nanosciences et de Nanotechnologies, CNRS, Université Paris-Saclay, C2N, Palaiseau 91120, France

Institut Pprime, Département Physique et Mécanique des Matériaux, UPR 3346 CNRS, Université de Poitiers, SP2MI, TSA 41123, 86073 Poitiers, Cedex 9, France

ONERA - The French Aerospace Lab, 6, chemin de la Vauve aux Granges, BP 80100, F-91123 Palaiseau, France

Funding

Agence Nationale de la Recherche · H2020 European Research Council · Region Ile-de-France · Delegation generale de l'armement

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