Article Dans Une Revue Nano Letters Année : 2024

Impact of Thickness-Dependent Nanophotonic Effects on the Optical Response of Color Centers in Hexagonal Boron Nitride

Tristan Clua-Provost
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Alrik Durand
Jiahan Li
James Edgar
Vincent Jacques

Résumé

Among a broad diversity of color centers hosted in layered van der Waals materials, the negatively charged boron vacancy (VB–) center in hexagonal boron nitride (hBN) is garnering considerable attention for the development of quantum sensing units on a two-dimensional platform. In this work, we investigate how the optical response of an ensemble of VB– centers evolves with the hBN thickness in a range of a few to hundreds of nanometers. We show that the photoluminescence intensity features a nontrivial evolution with thickness, which is quantitatively reproduced by numerical calculations taking into account thickness-dependent variations of the absorption, radiative lifetime, and radiation pattern of VB– centers. Besides providing an important resource to optimize the performances of quantum sensing units based on VB– centers in hBN, the thickness-dependent nanophotonic effects discussed in this work generally apply to any type of color center embedded in a van der Waals material.

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Dates et versions

hal-04720538 , version 1 (03-10-2024)

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Citer

Tristan Clua-Provost, Alrik Durand, Jules Fraunié, Cédric Robert, Xavier Marie, et al.. Impact of Thickness-Dependent Nanophotonic Effects on the Optical Response of Color Centers in Hexagonal Boron Nitride. Nano Letters, 2024, 24 (41), pp.12915-12920. ⟨10.1021/acs.nanolett.4c03300⟩. ⟨hal-04720538⟩
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