collaborators

6 papers

quant-ph2026

Control Protocols for Entangling Gates for Group-IV Color-Centers in Diamond

Jurek Frey, Frank K. Wilhelm, Matthias M. Müller

Accurately controlling entangling gates remains a major challenge for quantum technology applications with solid-state spin qubits. Here, we study a group-IV color-center with a st…

quant-ph2026

Optimal Two-Qubit Gates for Group-IV Color-Centers in Diamond

Jurek Frey, Katharina Senkalla, Philipp J. Vetter +3

Color centers associated with group-IV dopants in diamond with long-lived nuclear spins have emerged as major candidates for distributed quantum computing nodes and quantum repeate…

quant-ph2026

Gate Optimization via Efficient Two-Qubit Benchmarking for NV Centers in Diamond

Alessandro Marcomini, Philipp J. Vetter, Tommaso Calarco +3

High-fidelity gate implementation requires sophisticated control pulses that steer the quantum system to undergo the desired transformation. Quantum Optimal Control allows to deriv…

quant-ph2025

High-Fidelity Single-Shot Readout and Selective Nuclear Spin Control for a Spin-1/2 Quantum Register in Diamond

Prithvi Gundlapalli, Philipp J. Vetter, Genko Genov +5

Quantum networks offer a way to overcome the size and complexity limitations of single quantum devices by linking multiple nodes into a scalable architecture. Group-IV color center…

quant-ph2025

High-Fidelity Electron Spin Gates for Scaling Diamond Quantum Register

Timo Joas, Florian Ferlemann, Roberto Sailer +9

Diamond is a promising platform for quantum information processing as it can host highly coherent qubits that could allow for the construction of large quantum registers. A prerequ…

quant-ph2025

Circuit Design for a Star-shaped Spin-Qubit Processor via Algebraic Decomposition and Optimal Control

Yaqing X. Wang, Tommaso Calarco, Felix Motzoi +1

As quantum processing units grow in size and precision we enter the stage where quantum algorithms can be tested on actual quantum devices. To implement a given quantum circuit on…