Robust spin-photon interfaces with optical transitions in the telecommunication band are
essential for quantum networking technologies. Erbium (Er) ions are the ideal candidate with …

Solid-state atomic defects with optical transitions in the telecommunication bands, potentially
in a nuclear spin free environment, are important for applications in fiber-based quantum …

We demonstrate nearly a microsecond of spin coherence in Er3+ ions doped in cerium
dioxide nanocrystal hosts, despite a large gyromagnetic ratio and nanometric proximity of …

Rare-earth ion doped oxide thin films integrated on silicon substrates provide a route toward
scalable, chip-scale platforms for quantum coherent devices. Erbium-doped TiO 2 is an …

Erbium-doped TiO 2 materials are promising candidates for advancing quantum
technologies, necessitating a thorough understanding of their electronic and crystal …

Rare-earth dopants are one of the most extensively studied optical emission centers for a
broad range of applications such as laser optoelectronics, sensing, lighting, and quantum …

Since the qubit's performance of solid-state spin centers depends highly on the host
material, spin centers using new host materials may offer new qubit applications. We …

Erbium-doped\ch {TiO2} materials are promising candidates for advancing quantum
technologies, necessitating a thorough understanding of their electronic and crystal …

We expand here our description of a newly developed simple and effective ab initio method
of calculating crystal field coefficients (CFCs) of rare-earth atoms in insulating hosts …