Microscopic modeling of the effect of phonons on the optical properties of solid-state emitters

Abstract

Understanding the effect of vibrations in optically active nano systems is crucial for successfully implementing applications in molecular-based electro-optical devices, quantum information communications, single photon sources, and fluorescent markers for biological measurements. Here, we present a first-principles microscopic description of the role of phonons on the isotopic shift presented in the optical emission spectrum associated to the negatively charged silicon-vacancy color center in diamond. We use the spin-boson model and estimate the electron-phonon interactions using a symmetrized molecular description of the electronic states and a force-constant model to describe molecular vibrations. Group theoretical arguments and dynamical symmetry breaking are presented in order to explain the optical properties of the zero-phonon line and the isotopic shift of the phonon sideband.

arXiv comment9 pages, 5 figures

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• Spectroscopic Signatures of Electron-Phonon Coupling in Silicon-Vacancy Centers in Diamond
• Prolonged orbital relaxation by locally modified phonon density of states for SiV${}^{-}$ center in nanodiamonds
• Coherence as a measure for non-Markovianity and its applications to color centers in diamond
• The effect of electron-phonon interactions on the spectral properties of single defects in hexagonal boron nitride
• Dephasing and pseudo-coherent quantum dynamics in super-Ohmic environments
• How to read out the phonon number statistics via resonance fluorescence spectroscopy of a single-photon emitter
• Engineering non-Markovianity from defect-phonon interactions
• Overcoming temperature limits in the optical cooling of solids using light-dressed states
• Quantum control of solid-state qubits for thermodynamic applications
• Universally Robust Control of Open Quantum Systems