Light-matter entanglement over 50 km of optical fibre

V Krutyanskiy, M Meraner, J Schupp… - npj Quantum …, 2019 - nature.com
When shared between remote locations, entanglement opens up fundamentally new
capabilities for science and technology. Envisioned quantum networks use light to distribute …

Multiplexed quantum repeaters based on dual-species trapped-ion systems

P Dhara, NM Linke, E Waks, S Guha… - Physical Review A, 2022 - APS
Trapped ions form an advanced technology platform for quantum information processing
with long qubit coherence times, high-fidelity quantum logic gates, optically active qubits …

Optimizing repeater schemes for the quantum internet

K Goodenough, D Elkouss, S Wehner - Physical Review A, 2021 - APS
The rate at which quantum communication tasks can be performed using direct transmission
is fundamentally hindered by the channel loss. Quantum repeaters allow one, in principle, to …

Vacuum-induced quantum-beat-enabled photon antibunching

Z Wu, J Li, Y Wu - Physical Review A, 2023 - APS
Vacuum-induced coupling (VIC), arising from the quantum interference between the
spontaneous emission pathways from the excited doublet to a common ground state, has …

Entanglement between a trapped-ion qubit and a 780-nm photon via quantum frequency conversion

J Hannegan, JD Siverns, Q Quraishi - Physical Review A, 2022 - APS
Future quantum networks will require the ability to produce matter-photon entanglement at
photon frequencies not naturally emitted from the matter qubit. This allows for a hybrid …

Quantum interference between photons from an atomic ensemble and a remote atomic ion

AN Craddock, J Hannegan, DP Ornelas-Huerta… - Physical review …, 2019 - APS
Many remote-entanglement protocols rely on the generation and interference of photons
produced by nodes within a quantum network. Quantum networks based on heterogeneous …

Research progress of lithium niobate waveguide and its application in quantum information technology

R Cheng, S Huang, Q Xu, X Xie… - 2021 Photonics & …, 2021 - ieeexplore.ieee.org
Lithium niobate (LiNbO 3) serves as one of the most competitive materials in nonlinear
integrated photonics and becomes a key platform for the realization of integrated optical …

[HTML][HTML] C-band single photons from a trapped ion via two-stage frequency conversion

J Hannegan, U Saha, JD Siverns, J Cassell… - Applied Physics …, 2021 - pubs.aip.org
Fiber-based quantum networks require photons at telecommunications wavelengths to
interconnect qubits separated by long distances. Trapped ions are leading candidates for …

Precise electron beam-based target-wavelength trimming for frequency conversion in integrated photonic resonators

L Thiel, AD Logan, S Chakravarthi, S Shree… - Optics …, 2022 - opg.optica.org
We demonstrate post-fabrication target-wavelength trimming with a gallium phosphide on a
silicon nitride integrated photonic platform using controlled electron-beam exposure of …

Routing single photons from a trapped ion using a photonic integrated circuit

U Saha, JD Siverns, J Hannegan, M Prabhu… - Physical Review …, 2023 - APS
Trapped ions are promising candidates for nodes of a scalable quantum network due to their
long-lived qubit coherence times and high-fidelity single-and two-qubit gates. Future …