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An integrated diamond nanophotonics platform for quantum-optical networks
Integrated quantum nanophotonics Technologies that exploit the rules of quantum mechanics offer a potential advantage over classical devices in terms of sensitivity. Sipahigil et al. combined the… Expand
Heralded Quantum Gates with Integrated Error Detection in Optical Cavities
: We propose and analyze heralded quantum gates between qubits in optical cavities. They employ an auxiliary qubit to report if a successful gate occurred. In this manner, the errors, which would… Expand
Distributed quantum sensing in a continuous-variable entangled network
Networking is integral to quantum communications 1 and has significant potential for upscaling quantum computer technologies 2 . Recently, it was realized that the sensing performances of multiple… Expand
Efficient atomic clocks operated with several atomic ensembles.
Atomic clocks are typically operated by locking a local oscillator (LO) to a single atomic ensemble. In this Letter, we propose a scheme where the LO is locked to several atomic ensembles instead of… Expand
Near-Heisenberg-limited atomic clocks in the presence of decoherence.
The ultimate stability of atomic clocks is limited by the quantum noise of the atoms. To reduce this noise it has been suggested to use entangled atomic ensembles with reduced atomic noise.… Expand
Photonic controlled-phase gates through Rydberg blockade in optical cavities
We propose a novel scheme for high fidelity photonic controlled phase gates using Rydberg blockade in an ensemble of atoms in an optical cavity. The gate operation is obtained by first storing a… Expand
Photonic band structure of two-dimensional atomic lattices
Two-dimensional atomic arrays exhibit a number of intriguing quantum optical phenomena, including subradiance, nearly perfect reflection of radiation and long-lived topological edge states. Studies… Expand
Minimum error probability of quantum illumination
Quantum illumination is a technique for detecting the presence of a target in a noisy environment by means of a quantum probe. We prove that the two-mode squeezed vacuum state is the optimal probe… Expand
Room temperature quantum memory and scalable single photon source based on motional averaging
Quantum interfaces between photons and ensembles of atoms have emerged as powerful tools for quantum technologies. High fidelity storage and retrieval of a photon in a collective quantum state of… Expand
A variational toolbox for quantum multi-parameter estimation
Johannes Jakob Meyer,1 Johannes Borregaard,2, 3 and Jens Eisert4 Dahlem Center for Complex Quantum Systems, Freie Universität Berlin, 14195 Berlin, Germany Qutech and Kavli Institute of Nanoscience,… Expand