3 papers
cond-mat.mtrl-sci2026
Impact of strain on electron-phonon coupling of quantum emitters
Vytautas Žalandauskas, Rokas Silkinis, Lukas Razinkovas +6
Defects in semiconductors acting as optically active spin qubits are intriguing objects of fundamental study and future technological developments. These defect-based color centers…
cond-mat.mtrl-sci2024
Theory of the divacancy in 4H-SiC: Impact of Jahn-Teller effect on optical properties
Vytautas Žalandauskas, Rokas Silkinis, Lasse Vines +2
Understanding the optical properties of color centers in silicon carbide is essential for their use in quantum technologies, such as single-photon emission and spin-based qubits. I…
cond-mat.mtrl-sci2024
Optical lineshapes of the C-center in silicon from ab initio calculations: Interplay of localized modes and bulk phonons
Rokas Silkinis, Marek Maciaszek, Vytautas Žalandauskas +4
In this work, we present a first-principles density functional theory (DFT) computational investigation of the luminescence and absorption lineshapes associated with the neutral ca…