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Journal Article

Stark Effect of Blue Quantum Emitters in Hexagonal Boron Nitride

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Ivady,  Viktor
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Citation

Zhigulin, I., Horder, J., Ivady, V., White, S. J. U., Gale, A., Li, C., et al. (2023). Stark Effect of Blue Quantum Emitters in Hexagonal Boron Nitride. Physical Review Applied, 19(4): 044011. doi:10.1103/PhysRevApplied.19.044011.


Cite as: https://hdl.handle.net/21.11116/0000-000D-80BE-C
Abstract
Inhomogeneous broadening is a major limitation for the application of quantum emitters in hexagonal boron nitride to integrated quantum photonics. Here we demonstrate that so-called blue emitters with an emission wavelength of 436 nm are less sensitive to electric fields than other quantum emitters in hexag-onal boron nitride. Our measurements reveal a weak, predominantly quadratic Stark effect that indicates a negligible transition dipole moment of the defect. Using these results, we discuss implications for the symmetry of the defect and use density-functional-theory simulations to identify a likely atomic structure of blue emitters in hexagonal boron nitride.