Optical Investigations of Coherence and Relaxation Dynamics of a Thulium-doped Yttrium Gallium Garnet Crystal at sub-Kelvin Temperatures for Optical Quantum Memory

Kavli Affiliate: Wolfgang Tittel | First 5 Authors: Antariksha Das, Mohsen Falamarzi Askarani, Jacob H. Davidson, Neil Sinclair, Joshua A. Slater | Summary: Rare-earth ion-doped crystals are of great interest for quantum memories, a central component in future quantum repeaters. To assess the promise of 1$%$ Tm$^{3+}$-doped yttrium gallium garnet (Tm:YGG), we report measurements of […]


Continue.. Optical Investigations of Coherence and Relaxation Dynamics of a Thulium-doped Yttrium Gallium Garnet Crystal at sub-Kelvin Temperatures for Optical Quantum Memory

High-fidelity single-spin shuttling in silicon

Kavli Affiliate: Giordano Scappucci | First 5 Authors: Maxim De Smet, Yuta Matsumoto, Anne-Marije J. Zwerver, Larysa Tryputen, Sander L. de Snoo | Summary: The computational power and fault-tolerance of future large-scale quantum processors derive in large part from the connectivity between the qubits. One approach to increase connectivity is to engineer qubit-qubit interactions at […]


Continue.. High-fidelity single-spin shuttling in silicon

High-fidelity single-spin shuttling in silicon

Kavli Affiliate: Giordano Scappucci | First 5 Authors: Maxim De Smet, Yuta Matsumoto, Anne-Marije J. Zwerver, Larysa Tryputen, Sander L. de Snoo | Summary: The computational power and fault-tolerance of future large-scale quantum processors derive in large part from the connectivity between the qubits. One approach to increase connectivity is to engineer qubit-qubit interactions at […]


Continue.. High-fidelity single-spin shuttling in silicon

High-fidelity single-spin shuttling in silicon

Kavli Affiliate: Giordano Scappucci | First 5 Authors: Maxim De Smet, Yuta Matsumoto, Anne-Marije J. Zwerver, Larysa Tryputen, Sander L. de Snoo | Summary: The computational power and fault-tolerance of future large-scale quantum processors derive in large part from the connectivity between the qubits. One approach to increase connectivity is to engineer qubit-qubit interactions at […]


Continue.. High-fidelity single-spin shuttling in silicon

Spatial dependence of local density of states in semiconductor-superconductor hybrids

Kavli Affiliate: Srijit Goswami | First 5 Authors: Qingzhen Wang, Yining Zhang, Saurabh Karwal, Srijit Goswami, | Summary: Majorana bound states are expected to appear in one-dimensional semiconductor-superconductor hybrid systems, provided they are homogenous enough to host a global topological phase. In order to experimentally investigate the uniformity of the system, we study the spatial […]


Continue.. Spatial dependence of local density of states in semiconductor-superconductor hybrids

Quantum Circuit Switching with One-Way Repeaters in Star Networks

Kavli Affiliate: Stephanie Wehner | First 5 Authors: Álvaro G. Iñesta, Hyeongrak Choi, Dirk Englund, Stephanie Wehner, | Summary: Distributing quantum states reliably among distant locations is a key challenge in the field of quantum networks. One-way quantum networks address this by using one-way communication and quantum error correction. Here, we analyze quantum circuit switching […]


Continue.. Quantum Circuit Switching with One-Way Repeaters in Star Networks

Quantum Circuit Switching with One-Way Repeaters in Star Networks

Kavli Affiliate: Stephanie Wehner | First 5 Authors: Álvaro G. Iñesta, Hyeongrak Choi, Dirk Englund, Stephanie Wehner, | Summary: Distributing quantum states reliably among distant locations is a key challenge in the field of quantum networks. One-way quantum networks address this by using one-way communication and quantum error correction. Here, we analyze quantum circuit switching […]


Continue.. Quantum Circuit Switching with One-Way Repeaters in Star Networks

Probing Short-Range Correlations in the van der Waals Magnet CrSBr by Small-Angle Neutron Scattering

Kavli Affiliate: Herre S. J. Van Der Zant | First 5 Authors: Andrey Rybakov, Carla Boix-Constant, Diego Alba Venero, Herre S. J. van der Zant, Samuel Mañas-Valero | Summary: The layered metamagnet CrSBr offers a rich interplay between magnetic, optical and electrical properties that can be extended down to the two-dimensional (2D) limit. Despite the […]


Continue.. Probing Short-Range Correlations in the van der Waals Magnet CrSBr by Small-Angle Neutron Scattering

Interaction-induced strong zero modes in short quantum dot chains with time-reversal symmetry

Kavli Affiliate: Michael Wimmer | First 5 Authors: A. Mert Bozkurt, Sebastian Miles, Sebastiaan L. D. ten Haaf, Chun-Xiao Liu, Fabian Hassler | Summary: We theoretically explore the emergence of strong zero modes in a two-site chain consisting of two quantum dots coupled due to a central dot that mediates electron hopping and singlet superconducting […]


Continue.. Interaction-induced strong zero modes in short quantum dot chains with time-reversal symmetry

Interaction-induced strong zero modes in short quantum dot chains with time-reversal symmetry

Kavli Affiliate: Michael Wimmer | First 5 Authors: A. Mert Bozkurt, Sebastian Miles, Sebastiaan L. D. ten Haaf, Chun-Xiao Liu, Fabian Hassler | Summary: We theoretically explore the emergence of strong zero modes in a two-site chain consisting of two quantum dots coupled due to a central dot that mediates electron hopping and singlet superconducting […]


Continue.. Interaction-induced strong zero modes in short quantum dot chains with time-reversal symmetry