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Quantum Communication Networks

Spin-active chlorine-related centers in 4H-SiC with telecom-band emissions

arXiv
Authors: Danial Shafizadeh, Misagh Ghezellou, Viktor M. Bobal, Lasse Vines, Jawad Ul-Hassan, Valdas Jokubavicius, Nguyen T. Son, Ivan G. Ivanov

Year

2026

Paper ID

229

Status

Preprint

Abstract Read

~2 min

Abstract Words

108

Citations

N/A

Abstract

A photoluminescence (PL) and magnetic resonance investigation of a defect in chlorine-implanted 4H-SiC is presented. This Cl-related center emits light at telecom wavelengths with zero-phonon lines in the range 1350-1540 nm. Its four configurations exhibit stable PL spectra characterized by narrow zero-phonon lines. For the two configurations that emit light at the C-band, a Debye-Waller factor in the range 22-25% is estimated. Optically detected magnetic resonance confirms that the Cl-related center is spin active and stable at room temperature with the zero-field splitting in the range of 1.0-1.4 GHz. The combined optical and spin properties suggest this center to be a highly promising candidate for scalable quantum networks.

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  • This paper contributes to the Quantum Communication & Networks research area in the Quantum Articles archive.
  • It adds a 2026 reference point for readers tracking recent quantum research.
  • A photoluminescence (PL) and magnetic resonance investigation of a defect in chlorine-implanted 4H-SiC is presented.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2602.08854 [2] arXiv https://arxiv.org/abs/2602.08854 [3] Publisher https://arxiv.org/abs/2602.08854

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