collaborators

5 papers

quant-ph2026

High-cooperativity coupling and spin-resolved extinction of tin-vacancy centers in a diamond-like microcavity

Kerim Köster, András Laukó, Federico Rapisarda +16

The tin-vacancy (SnV) center in diamond is a promising spin-photon interface for quantum networks, combining favorable optical properties with spin coherence above 1K. Unfolding th…

physics.optics2026

Electrically Reconfigurable Silicon Carbide Nanophotonic Cavities on Thin-Film Lithium Niobate

San Lam Ng, Georgii Grechko, Vladislav Bushmakin +4

Interfacing integrated photonics with solid-state spin defects holds great promise for future quantum networks, but the scaling of spin-photon architectures is hindered by frequenc…

physics.optics2026

Color-Center-Compatible Freestanding Diamond Directional Couplers for Quantum Photonics

Colin Sauerzapf, Tom Jäger, Jonathan Enßlin +6

Freestanding all-diamond color-center photonics is a promising platform for optical integration of spin-based quantum defects. Within this geometry, we realize a key building block…

quant-ph2026

Optically Addressable Molecular Spins at 2D Surfaces

Xuankai Zhou, Yan-Tung Kong, Cheuk Kit Cheung +18

Optically addressable spins at material surfaces have represented a long-standing ambition in quantum sensing, providing atomic resolution and quantum-limited sensitivity. However,…

quant-ph2025

Two-Photon Interference of Photons from Remote Tin-Vacancy Centers in Diamond

Vladislav Bushmakin, Oliver von Berg, Colin Sauerzapf +8

Scalable quantum networks rely on optical connections between long-lived qubits to distribute entanglement. Tin vacancies in diamond have emerged as promising long-lived qubits, of…