307 citations · 1k across the 21 of their papers we have counts for
21 papers
Analytical Modeling of Real-World Photonic Quantum Teleportation
Neil Sinclair, Samantha I. Davis, Nikolai Lauk +5
We develop analytical models for realistic photonic quantum teleportation experiments with time-bin qubits, utilizing phase space methods from quantum optics. These models yield an…
Entanglement swapping systems toward a quantum internet
Samantha I. Davis, Raju Valivarthi, Andrew Cameron +14
We demonstrate conditional entanglement swapping, i.e. teleportation of entanglement, between time-bin qubits at the telecommunication wavelength of 1536.4 nm with high fidelity of…
Distributed Quantum Computing in Silicon
Photonic Inc, :, Francis Afzal +69
Commercially impactful quantum algorithms such as quantum chemistry and Shor's algorithm require a number of qubits and gates far beyond the capacity of any existing quantum proces…
Comment on "Comment on "Traversable wormhole dynamics on a quantum processor" "
Daniel Jafferis, Alexander Zlokapa, Joseph D. Lykken +5
We observe that the comment of [1, arXiv:2302.07897] is consistent with [2] on key points: i) the microscopic mechanism of the experimentally observed teleportation is size winding…
Picosecond Synchronization of Photon Pairs through a Fiber Link between Fermilab and Argonne National Laboratories
Keshav Kapoor, Si Xie, Joaquin Chung +20
We demonstrate a three-node quantum network for C-band photon pairs using 2 pairs of 59 km of deployed fiber between Fermi and Argonne National Laboratories. The C-band pairs are d…
Design and Implementation of the Illinois Express Quantum Metropolitan Area Network
Joaquin Chung, Ely M. Eastman, Gregory S. Kanter +12
The Illinois Express Quantum Network (IEQNET) is a program to realize metropolitan scale quantum networking over deployed optical fiber using currently available technology. IEQNET…
Picosecond synchronization system for quantum networks
Raju Valivarthi, Lautaro Narváez, Samantha I. Davis +14
The operation of long-distance quantum networks requires photons to be synchronized and must account for length variations of quantum channels. We demonstrate a 200 MHz clock-rate…
Improved heralded single-photon source with a photon-number-resolving superconducting nanowire detector
Samantha I. Davis, Andrew Mueller, Raju Valivarthi +9
Deterministic generation of single photons is essential for many quantum information technologies. A bulk optical nonlinearity emitting a photon pair, where the measurement of one…
Illinois Express Quantum Network for Distributing and Controlling Entanglement on Metro-Scale
Wenji Wu, Joaquin Chung, Gregory Kanter +12
We describe an implementation of a quantum network over installed fiber in the Chicago area.We present network topology and control architecture of this network and illustrate prel…
Sample-efficient adaptive calibration of quantum networks using Bayesian optimization
Cristian L. Cortes, Pascal Lefebvre, Nikolai Lauk +4
Indistinguishable photons are imperative for advanced quantum communication networks. Indistinguishability is difficult to obtain because of environment-induced photon transformati…
Illinois Express Quantum Network (IEQNET): Metropolitan-scale experimental quantum networking over deployed optical fiber
Joaquin Chung, Gregory Kanter, Nikolai Lauk +11
The Illinois Express Quantum Network (IEQNET) is a program to realize metro-scale quantum networking over deployed optical fiber using currently available technology. IEQNET consis…
Teleportation Systems Towards a Quantum Internet
Raju Valivarthi, Samantha Davis, Cristian Pena +20
Quantum teleportation is essential for many quantum information technologies including long-distance quantum networks. Using fiber-coupled devices, including state-of-the-art low-n…
Perspectives on quantum transduction
Nikolai Lauk, Neil Sinclair, Shabir Barzanjeh +4
Quantum transduction, the process of converting quantum signals from one form of energy to another, is an important area of quantum science and technology. The present perspective…
Towards long-distance quantum networks with superconducting processors and optical links
Sourabh Kumar, Nikolai Lauk, Christoph Simon
We design a quantum repeater architecture, necessary for long distance quantum networks, using the recently proposed microwave cat state qubits, formed and manipulated via interact…
Electron Spin Coherences in Rare-Earth Optically Excited States for Microwave to Optical Quantum Transducers
Sacha Welinski, Philip J. T. Woodburn, Nikolai Lauk +4
Efficient and reversible optical to microwave coherent transducers are required to enable entanglement transfer between superconducting qubits and light for quantum networks. Rare-…
Quantum repeaters with individual rare-earth ions at telecommunication wavelengths
F. Kimiaee Asadi, N. Lauk, S. Wein +3
We present a quantum repeater scheme that is based on individual erbium and europium ions. Erbium ions are attractive because they emit photons at telecommunication wavelength, whi…
Feasibility of efficient room-temperature solid-state sources of indistinguishable single photons using ultrasmall mode volume cavities
Stephen Wein, Nikolai Lauk, Roohollah Ghobadi +1
Highly efficient sources of indistinguishable single photons that can operate at room temperature would be very beneficial for many applications in quantum technology. We show that…
A number-state filter for pulses of light
Nikolai Lauk, Michael Fleischhauer
We present a detailed theoretical analysis of a Fock-state filter based on the photon-number dependent group delay in cavity induced transparency proposed in Phys. Rev. Lett. 105,…
Interfacing microwave qubits and optical photons via spin ensembles
Susanne Blum, Christopher O'Brien, Nikolai Lauk +3
A protocol is discussed which allows one to realize a transducer for single photons between the optical and the microwave frequency range. The transducer is a spin ensemble, where…
Interfacing Superconducting Qubits and Telecom Photons via a Rare-Earth Doped Crystal
Christopher O'Brien, Nikolai Lauk, Susanne Blum +2
We propose a scheme to couple short single photon pulses to superconducting qubits. An optical photon is first absorbed into an inhomogeneously broadened rare-earth doped crystal u…
Fidelity of photon propagation in electromagnetically induced transparency in the presence of four-wave mixing
Nikolai Lauk, Christopher O'Brien, Michael Fleischhauer
We study the effects of the four-wave mixing (4WM) in a quantum memory scheme based on electromagnetically induced transparency (EIT). We treat the problem of field propagation on…