207 citations · 847 across the 26 of their papers we have counts for
27 papers
Spin-active chlorine-related centers in 4H-SiC with telecom-band emissions
Danial Shafizadeh, Misagh Ghezellou, Viktor M. Bobal +5
A photoluminescence (PL) and magnetic resonance investigation of a defect in chlorine-implanted 4H-SiC is presented. This Cl-related center emits light at telecom wavelengths with…
Spectator-transition crosstalk in a spin-3/2 silicon-vacancy qudit in silicon carbide revealed by broadband Ramsey interferometry
Jun-Jae Choi, Seung-Jae Hwang, Seoyoung Paik +9
Color-center spins in 4H-SiC offer a rare combination of wafer-scale materials maturity with long spin coherence and chip-level photonics, making them promising building blocks for…
Localization and coherent control of 25 nuclear spins in Silicon Carbide
Pierre Kuna, Erik Hesselmeier-Hüttmann, Phillip Schillinger +7
Optically addressable spin defects are excellent candidate platform for quantum sensing and quantum network. Nuclear spins coupled to color centers naturally enable long lived quan…
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…
Broadband Fourier transform spectroscopy of quantum emitters photoluminescence with sub-nanosecond temporal resolution
Issam Belgacem, Pasquale Cilibrizzi, Muhammad Junaid Arshad +15
The spectral characterization of quantum emitter luminescence over broad wavelength ranges and fast timescales is important for applications ranging from biophysics to quantum tech…
Mesoscopic cavity quantum electrodynamics with phase-disordered emitters in a Kerr nonlinear resonator
Daniil M. Lukin, Bennet Windt, Miguel Bello +13
The field of cavity quantum electrodynamics (QED) has seen a recent resurgence of interest in few- and many-body physics owing to the realization that the breaking of symmetries an…
Minute-long quantum coherence enabled by electrical depletion of magnetic noise
Cyrus Zeledon, Benjamin Pingault, Jonathan C. Marcks +13
Integrating solid-state spin defects into classical electronic devices can enable new opportunities for quantum information processing that benefit from existing semiconductor tech…
Cavity enhancement of V2 centers in 4H-SiC with a fiber-based Fabry-Pérot microcavity
Jannis Hessenauer, Jonathan Körber, Misagh Ghezellou +5
Silicon vacancy centers in 4H-silicon carbide (SiC) host a long-lived electronic spin and simultaneously possess spin-resolved optical transitions, making them a great candidate fo…
Single V2 defect in 4H Silicon Carbide Schottky diode at low temperature
Timo Steidl, Pierre Kuna, Erik Hesselmeier-Hüttmann +10
Nanoelectrical and photonic integration of quantum optical components is crucial for scalable solid-state quantum technologies. Silicon carbide stands out as a material with mature…
Effective uniaxial dielectric function tensor and optical phonons in ()-plane oriented -GaO films with equally-distributed six-fold rotation domains
Alyssa Mock, Steffen Richter, Alexis Papamichail +11
Monoclinic -GaO films grown on -plane sapphire have been shown to exhibit six -plane oriented domains, which are equally-spaced-by-rotation around the su…
Precise characterization of a silicon carbide waveguide fiber interface
Marcel Krumrein, Raphael Nold, Flavie Davidson-Marquis +13
Emitters in high refractive index materials like 4H-SiC suffer from reduced detection of photons because of losses caused by total internal reflection. Thus, integration into effic…
High fidelity optical readout of a nuclear spin qubit in Silicon Carbide
Erik Hesselmeier, Oliver von Berg, Pierre Kuna +7
Quantum state readout is a key requirement for a successful qubit platform. In this work we demonstrate a high fidelity quantum state readout of a V2 center nuclear spin based on a…
Measuring nuclear spin qubits by qudit-enhanced spectroscopy in Silicon Carbide
Erik Hesselmeier, Pierre Kuna, István Takács +8
Nuclear spins with hyperfine coupling to single electron spins are highly valuable quantum bits. In this work we probe and characterise the particularly rich nuclear spin environme…
Spectral stability of V2 centres in sub-micron 4H-SiC membranes
Jonah Heiler, Jonathan Körber, Erik Hesselmeier +9
Colour centres in silicon carbide emerge as a promising semiconductor quantum technology platform with excellent spin-optical coherences.However, recent efforts towards maximising…
The silicon vacancy centers in SiC: determination of intrinsic spin dynamics for integrated quantum photonics
Di Liu, Florian Kaiser, Vladislav Bushmakin +7
The negatively-charged silicon vacancy center () in silicon carbide (SiC) is an emerging color center for quantum technology covering quantum sensing, communication,…
Ultra-narrow inhomogeneous spectral distribution of telecom-wavelength vanadium centres in isotopically-enriched silicon carbide
Pasquale Cilibrizzi, Muhammad Junaid Arshad, Benedikt Tissot +11
Spin-active quantum emitters have emerged as a leading platform for quantum technologies. However, one of their major limitations is the large spread in optical emission frequencie…
Characterization of single shallow silicon-vacancy centers in 4H-SiC
Harpreet Singh, Mario Alex Hollberg, Misagh Ghezellou +3
Shallow negatively charged silicon-vacancy centers have applications in magnetic quantum sensing and other quantum applications. Vacancy centers near the surface (within 100 nm) ha…
Spin-optical dynamics and quantum efficiency of single V1 center in silicon carbide
Naoya Morioka, Di Liu, Öney O. Soykal +8
Color centers in silicon carbide are emerging candidates for distributed spin-based quantum applications due to the scalability of host materials and the demonstration of integrati…
Broadband single-mode planar waveguides in monolithic 4H-SiC
Tom Bosma, Joop Hendriks, Misagh Ghezellou +3
Color-center defects in silicon carbide promise opto-electronic quantum applications in several fields, such as computing, sensing and communication. In order to scale down and com…
Optical superradiance of a pair of color centers in an integrated silicon-carbide-on-insulator microresonator
Daniil M. Lukin, Melissa A. Guidry, Joshua Yang +6
An outstanding challenge for color center-based quantum information processing technologies is the integration of optically-coherent emitters into scalable thin-film photonics. Her…
Five-second coherence of a single spin with single-shot readout in silicon carbide
Christopher P. Anderson, Elena O. Glen, Cyrus Zeledon +11
An outstanding hurdle for defect spin qubits in silicon carbide (SiC) is single-shot readout - a deterministic measurement of the quantum state. Here, we demonstrate single-shot re…
Nanofabricated and integrated colour centres in silicon carbide with high-coherence spin-optical properties
Charles Babin, Rainer Stöhr, Naoya Morioka +19
Optically addressable spin defects in silicon carbide (SiC) are an emerging platform for quantum information processing. Lending themselves to modern semiconductor nanofabrication,…
Narrow inhomogeneous distribution of spin-active emitters in silicon carbide
Roland Nagy, Durga Bhaktavatsala Rao Dasari, Charles Babin +13
Optically active solid-state spin registers have demonstrated their unique potential in quantum computing, communication and sensing. Realizing scalability and increasing applicati…
Entanglement and control of single quantum memories in isotopically engineered silicon carbide
Alexandre Bourassa, Christopher P. Anderson, Kevin C. Miao +9
Nuclear spins in the solid state are both a cause of decoherence and a valuable resource for spin qubits. In this work, we demonstrate control of isolated 29Si nuclear spins in sil…