activity
20122020
most citedCoherent control of single spins in silicon carbide at room temperature

675 citations · 1.5k across the 10 of their papers we have counts for

collaborators

10 papers

physics.app-ph2020★ 42 cited

Bright single photon sources in lateral silicon carbide light emitting diodes

Matthias Widmann, Matthias Niethammer, Takahiro Makino +7

Single-photon emitting devices have been identified as an important building block for applications in quantum information and quantum communication. They allow to transduce and co…

cond-mat.mes-hall2019★ 95 cited

Electrical charge state manipulation of single silicon vacancies in a silicon carbide quantum optoelectronic device

Matthias Widmann, Matthias Niethammer, Dmitry Yu. Fedyanin +14

Colour centres with long-lived spins are established platforms for quantum sensing and quantum information applications. Colour centres exist in different charge states, each of th…

cond-mat.mes-hall2019★ 86 cited

Coherent electrical readout of defect spins in 4H-SiC by photo-ionization at ambient conditions

Matthias Niethammer, Matthias Widmann, Torsten Rendler +11

Quantum technology relies on proper hardware, enabling coherent quantum state control as well as efficient quantum state readout. In this regard, wide-bandgap semiconductors are an…

cond-mat.mes-hall2018★ 32 cited

Robust and efficient control of spin probes in a complex (biological) environment. Towards sensing of fast temperature fluctuations

Philipp Konzelmann, Torsten Rendler, Ville Bergholm +9

We present an optimized scheme for nanoscale measurements of temperature in a complex environment using the nitrogen-vacancy center in nanodiamonds. To this end we combine a Ramsey…

physics.optics2016★ 205 cited

Scalable Quantum Photonics with Single Color Centers in Silicon Carbide

Marina Radulaski, Matthias Widmann, Matthias Niethammer +9

Silicon carbide is a promising platform for single photon sources, quantum bits (qubits) and nanoscale sensors based on individual color centers. Towards this goal, we develop a sc…

cond-mat.mes-hall2016★ 230 cited

Structural attributes and photo-dynamics of visible spectrum quantum emitters in hexagonal boron nitride

Nathan Chejanovsky, Mohammad Rezai, Federico Paolucci +11

Newly discovered van der Waals materials like MoS, WSe, hexagonal boron nitride (h-BN), and recently have sparked intensive research to unveil the…