activity
20202025
most citedProlonged orbital relaxation by locally modified phonon density of states for SiV center in nanodiamonds

26 citations · 78 across the 9 of their papers we have counts for

collaborators

9 papers

quant-ph2025★ 2 cited

Creation of Negatively Charged GeV and SnV centers in Nanodiamonds via Ion Implantation

Selene Sachero, Richard Waltrich, Emilio Corte +2

Solid state quantum emitters, in particular group-IV vacancy centers in diamond, are at the forefront of research in quantum technologies due to their unique optical and spin prope…

cond-mat.mes-hall2024

Strongly Coupled Spins of Silicon-Vacancy Centers Inside a Nanodiamond with Sub-Megahertz Linewidth

Marco Klotz, Richard Waltrich, Niklas Lettner +2

The search for long-lived quantum memories, which can be efficiently interfaced with flying qubits is longstanding. One possible solution is to use the electron spin of a color cen…

physics.optics2023★ 18 cited

Enhanced Spectral Density of a Single Germanium Vacancy Center in a Nanodiamond by Cavity-Integration

Florian Feuchtmayr, Robert Berghaus, Selene Sachero +6

Color centers in diamond, among them the negatively-charged germanium vacancy (GeV), are promising candidates for many applications of quantum optics such as a quantum network.…

physics.optics2023

Two-Photon Interference from Silicon-Vacancy Centers in Remote Nanodiamonds

Richard Waltrich, Marco Klotz, Viatcheslav Agafonov +1

The generation of indistinguishable photons is a key requirement for solid-state quantum emitters as a viable source for applications in quantum technologies. Restricting the dimen…

quant-ph2022★ 6 cited

A Quantum Repeater Platform based on Single SiV Centers in Diamond with Cavity-Assisted, All-Optical Spin Access and Fast Coherent Driving

Gregor Bayer, Robert Berghaus, Selene Sachero +8

Quantum key distribution enables secure communication based on the principles of quantum mechanics. The distance in fiber-based quantum communication is limited to about a hundred…

quant-ph2021★ 26 cited

Prolonged orbital relaxation by locally modified phonon density of states for SiV center in nanodiamonds

Marco Klotz, Konstantin G. Fehler, Elena S. Steiger +8

Coherent quantum systems are a key resource for emerging quantum technology. Solid-state spin systems are of particular importance for compact and scalable devices. However, intera…

physics.optics2021

A Robust Coherent Single-Photon Interface for Moderate- NA Optics Based on SiV Center in Nanodiamonds and a Plasmonic Bullseye Antenna

Richard Waltrich, Hamza Abudayyeh, Boaz Lubotzky +7

Coherent exchange of single photons is at the heart of applied Quantum Optics. The negatively-charged silicon vacancy center in diamond is among most promising sources for coherent…

cond-mat.mtrl-sci2021★ 24 cited

Hybrid quantum photonics based on artificial atoms placed inside one hole of a photonic crystal cavity

Konstantin G. Fehler, Lukas Antoniuk, Niklas Lettner +7

Spin-based quantum photonics promise to realize distributed quantum computing and quantum networks. The performance depends on efficient entanglement distribution, where the effici…

physics.app-ph2020★ 2 cited

Tunable quantum photonics platform based on fiber-cavity enhanced single photon emission from two-dimensional hBN

Stefan Häußler, Gregor Bayer, Richard Waltrich +5

Realization of quantum photonic devices requires coupling single quantum emitters to the mode of optical resonators. In this work we present a hybrid system consisting of defect ce…