127 citations · 553 across the 22 of their papers we have counts for
22 papers
Quantum Networks Using Color Defects in Diamond: Principles, Progress, and Perspectives
Ayan Majumder, Cem Güney Torun, Tim Schröder +3
Large-scale quantum networks will enable entirely new applications of quantum information science in fields such as quantum communication, distributed quantum computing, sensing, a…
Spectral Diffusion Mitigation with a Laser Pulse Sequence
Kilian Unterguggenberger, Alok Gokhale, Aleksei Tsarapkin +6
The optical spectrum of a quantum system is jointly determined by the properties of the emitter and the driving field. All-optical spectral control can hence be a promising method…
Waveguide-integrated colour centres in silicon carbide with broadband photonic crystal reflectors for efficient readout
Marcel Krumrein, Julian M. Bopp, Timo Steidl +5
Spin-active colour centres in 4H silicon carbide are promising candidates as building blocks for quantum information applications. To increase the photon count rate of the emitters…
Hybrid Quantum Repeater Chains with Semiconductor Quantum Dots and Group-IV-Vacancy Color Centers in Diamond
Yannick Strocka, Fenglei Gu, Gregor Pieplow +2
We propose and analyze a hybrid quantum repeater architecture that combines two leading hardware platforms: quantum dots (QDs) as bright, deterministic sources of entangled photon…
Dinosaur Photonic Crystal Cavity Interfaces for Color Center Coupling to Triangular Nanostructures
Julian M. Bopp, Lucca Valerius, Tim Schröder
Waveguide-coupled photonic crystal cavities with a triangular cross section fabricated by angled etching are suitable to interface embedded color centers with flying photonic qubit…
Quantum Secure Authentication with Color Centers in Diamond
Yannick Strocka, Mohamed Belhassen, Tim Schröder +1
We present a quantum token scheme in which the token is a quantum state that ensures secure authentication or payment. In our approach, rooted in Wiesner's quantum money concept, a…
Optical spin readout of a silicon color center in the telecom L-band
Shuyu Wen, Gregor Pieplow, Junchun Yang +6
Silicon-based quantum technologies have gained increasing attention due to their potential for large-scale photonic integration, long spin coherence times, and compatibility with C…
Retrieving Lost Atomic Information: Monte Carlo-based Parameter Reconstruction of an Optical Quantum System
Laura Orphal-Kobin, Gregor Pieplow, Alok Gokhale +2
In regimes of low signal strengths and therefore a small signal-to-noise ratio, standard data analysis methods often fail to accurately estimate system properties. We present a met…
Deterministic Creation of Large Photonic Multipartite Entangled States with Group-IV Color Centers in Diamond
Gregor Pieplow, Yannick Strocka, Mariano Isaza-Monsalve +2
Measurement-based quantum computation relies on single qubit measurements of large multipartite entangled states, so-called lattice-graph or cluster states. Graph states are also a…
Optical probing of phononic properties of a tin-vacancy color center in diamond
Cem Güney Torun, Joseph H. D. Munns, Franziska Marie Herrmann +12
The coherence characteristics of a tin-vacancy color center (SnV) in diamond are investigated through optical means, including linewidth broadening effects and coherent population…
AlGaN/AlN heterostructures: an emerging platform for nonlinear integrated photonics
Sinan Gündogdu, Sofia Pazzagli, Tommaso Pregnolato +4
In the rapidly evolving area of integrated photonics, there is a growing need for materials that satisfy the particular requirements of increasingly complex and specialized devices…
Picosecond time-resolved antibunching measures nanoscale exciton motion, annihilation, and true number of chromophores
Gordon J. Hedley, Tim Schröder, Florian Steiner +8
The particle-like nature of light becomes evident in the photon statistics of fluorescence of single quantum systems as photon antibunching. In multichromophoric systems, exciton d…
Deterministic positioning of nanophotonic waveguides around single self-assembled quantum dots
Tommaso Pregnolato, Xiao-Liu Chu, Tim Schröder +5
The capability to embed self-assembled quantum dots (QDs) at predefined positions in nanophotonic structures is key to the development of complex quantum photonic architectures. He…
Coherent optical control of a quantum-dot spin-qubit in a waveguide-based spin-photon interface
Dapeng Ding, Martin Hayhurst Appel, Alisa Javadi +12
Waveguide-based spin-photon interfaces on the GaAs platform have emerged as a promising system for a variety of quantum information applications directly integrated into planar pho…
Rectangular Photonic Crystal Nanobeam Cavities in Bulk Diamond
Sara Mouradian, Noel H. Wan, Tim Schröder +1
We demonstrate the fabrication of photonic crystal nanobeam cavities with rectangular cross section into bulk diamond. In simulation, these cavities have an unloaded quality factor…
Review Article: Quantum Nanophotonics in Diamond
Tim Schröder, Sara Mouradian, Jiabao Zheng +6
The past decade has seen great advances in developing color centers in diamond for sensing, quantum information processing, and tests of quantum foundations. Increasingly, the succ…
Bright and photostable single-photon emitter in silicon carbide
Benjamin Lienhard, Tim Schröder, Sara Mouradian +4
Single-photon sources are of paramount importance in quantum communication, quantum computation, and quantum metrology. In particular, there is great interest in realizing scalable…
Fabrication of Triangular Nanobeam Waveguide Networks in Bulk diamond Using Single-Crystal Silicon Hard Masks
I. Bayn, S. Mouradian, L. Li +11
A scalable approach for integrated photonic networks in single-crystal diamond using triangular etching of bulk samples is presented. We describe designs of high quality factor (Q=…
Scalable integration of long-lived quantum memories into a photonic circuit
Sara L. Mouradian, Tim Schröder, Carl B. Poitras +8
We demonstrate a photonic circuit with integrated long-lived quantum memories. Pre-selected quantum nodes - diamond micro-waveguides containing single, stable, and negatively charg…
Ultrahigh Resolution Spectroscopy Across the Visible to Infrared Spectrum Using Multi-Mode Interference in a Compact Tapered Fiber
Noel H. Wan, Fan Meng, Ren-Jye Shiue +3
Optical spectroscopy is a fundamental tool in numerous areas of science and technology. Much effort has focused on miniaturizing spectrometers, but thus far at the cost of high spe…
Narrow-band single photon emission at room temperature based on a single Nitrogen-vacancy center coupled to an all-fiber-cavity
Roland Albrecht, Alexander Bommer, Christoph Pauly +7
We report the realization of a device based on a single Nitrogen-vacancy (NV) center in diamond coupled to a fiber-cavity for use as single photon source (SPS). The device consists…
Ultrafast spectral diffusion measurement on nitrogen vacancy centers in nanodiamonds using correlation interferometry
Janik Wolters, Nikola Sadzak, Andreas W. Schell +2
Spectral diffusion is the phenomenon of random jumps in the emission wavelength of narrow lines. This phenomenon is a major hurdle for applications of solid state quantum emitters…