Quantum optical memory for entanglement distribution

Y Lei, F Kimiaee Asadi, T Zhong, A Kuzmich, C Simon… - Optica, 2023 - opg.optica.org
Optical photons are powerful carriers of quantum information, which can be delivered in free
space by satellites or in fibers on the ground over long distances. Entanglement of quantum …

Colloquium: Cavity-enhanced quantum network nodes

A Reiserer - Reviews of Modern Physics, 2022 - APS
A future quantum network will consist of quantum processors that are connected by quantum
channels, just like conventional computers are wired up to form the Internet. In contrast to …

Indistinguishable telecom band photons from a single Er ion in the solid state

S Ourari, Ł Dusanowski, SP Horvath, MT Uysal… - Nature, 2023 - nature.com
Atomic defects in the solid state are a key component of quantum repeater networks for long-
distance quantum communication. Recently, there has been significant interest in rare earth …

Nanocavity-Mediated Purcell Enhancement of Er in TiO2 Thin Films Grown via Atomic Layer Deposition

C Ji, MT Solomon, GD Grant, K Tanaka, M Hua… - ACS …, 2024 - ACS Publications
The use of trivalent erbium (Er3+), typically embedded as an atomic defect in the solid-state,
has widespread adoption as a dopant in telecommunication devices and shows promise as …

Increased crystal field drives intermediate coupling and minimizes decoherence in tetravalent praseodymium qubits

A Ramanathan, ED Walter, M Mourigal… - Journal of the …, 2023 - ACS Publications
Crystal field (CF) control of rare-earth (RE) ions has been employed to minimize
decoherence in qubits and to enhance the effective barrier of single-molecule magnets. The …

Emission enhancement of erbium in a reverse nanofocusing waveguide

NA Güsken, M Fu, M Zapf, MP Nielsen, P Dichtl… - Nature …, 2023 - nature.com
Since Purcell's seminal report 75 years ago, electromagnetic resonators have been used to
control light-matter interactions to make brighter radiation sources and unleash …

Tunable microcavities coupled to rare-earth quantum emitters

K Xia, F Sardi, C Sauerzapf, T Kornher, HW Becker… - Optica, 2022 - opg.optica.org
Electro-optical control of on-chip photonic devices is an essential tool for efficient integrated
photonics. Lithium niobate on insulator (LNOI) is an emerging platform for on-chip photonics …

A perspective on the pathway to a scalable quantum internet using rare-earth ions

RM Pettit, FH Farshi, SE Sullivan… - Applied Physics …, 2023 - pubs.aip.org
The ultimate realization of a global quantum internet will require advances in scalable
technologies capable of generating, storing, and manipulating quantum information. The …

Coherent control of a nuclear spin via interactions with a rare-earth ion in the solid state

MT Uysal, M Raha, S Chen, CM Phenicie, S Ourari… - PRX Quantum, 2023 - APS
Individually addressed Er 3+ ions in solid-state hosts are promising resources for quantum
repeaters, because of their direct emission in the telecom band and their compatibility with …

Spectral multiplexing of telecom emitters with stable transition frequency

A Ulanowski, B Merkel, A Reiserer - Science advances, 2022 - science.org
In a quantum network, coherent emitters can be entangled over large distances using
photonic channels. In solid-state devices, the required efficient light-emitter interface can be …