Search Results - "Ledingham, Patrick"

Experimental Demonstration of Quantum Effects in the Operation of Microscopic Heat Engines by Klatzow, James, Becker, Jonas N, Ledingham, Patrick M, Weinzetl, Christian, Kaczmarek, Krzysztof T, Saunders, Dylan J, Nunn, Joshua, Walmsley, Ian A, Uzdin, Raam, Poem, Eilon

“…The ability of the internal states of a working fluid to be in a coherent superposition is one of the basic properties of a quantum heat engine. It was…”
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Solid State Spin-Wave Quantum Memory for Time-Bin Qubits by Gündoğan, Mustafa, Ledingham, Patrick M, Kutluer, Kutlu, Mazzera, Margherita, de Riedmatten, Hugues

“…We demonstrate the first solid-state spin-wave optical quantum memory with on-demand read-out. Using the full atomic frequency comb scheme in a Pr(3+):Y2SiO5…”
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Quantum Correlations between Single Telecom Photons and a Multimode On-Demand Solid-State Quantum Memory by Seri, Alessandro, Lenhard, Andreas, Rieländer, Daniel, Gündoğan, Mustafa, Ledingham, Patrick M., Mazzera, Margherita, de Riedmatten, Hugues

“…Quantum correlations between long-lived quantum memories and telecom photons that can propagate with low loss in optical fibers are an essential resource for…”
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Quantum storage of a photonic polarization qubit in a solid by Gündoğan, Mustafa, Ledingham, Patrick M, Almasi, Attaallah, Cristiani, Matteo, de Riedmatten, Hugues

“…We report on the quantum storage and retrieval of photonic polarization quantum bits onto and out of a solid state storage device. The qubits are implemented…”
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Quantum storage of heralded single photons in a praseodymium-doped crystal by Rieländer, Daniel, Kutluer, Kutlu, Ledingham, Patrick M, Gündoğan, Mustafa, Fekete, Julia, Mazzera, Margherita, de Riedmatten, Hugues

“…We report on experiments demonstrating the reversible mapping of heralded single photons to long-lived collective optical atomic excitations stored in a…”
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Storage of up-converted telecom photons in a doped crystal by Maring, Nicolas, Kutluer, Kutlu, Cohen, Joachim, Cristiani, Matteo, Mazzera, Margherita, Ledingham, Patrick M, Riedmatten, Hugues de

“…We report on an experiment that demonstrates the frequency up-conversion of telecommunication wavelength single-photon-level pulses to be resonant with a :…”
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Experimental realization of light with time-separated correlations by rephasing amplified spontaneous emission by Ledingham, Patrick M, Naylor, William R, Longdell, Jevon J

“…Amplified spontaneous emission is a common noise source in active optical systems, it is generally seen as being an incoherent process. Here we excite an…”
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Deterministic storage and retrieval of telecom light from a quantum dot single-photon source interfaced with an atomic quantum memory by Thomas, Sarah E, Wagner, Lukas, Joos, Raphael, Sittig, Robert, Nawrath, Cornelius, Burdekin, Paul, de Buy Wenniger, Ilse Maillette, Rasiah, Mikhael J, Huber-Loyola, Tobias, Sagona-Stophel, Steven, Höfling, Sven, Jetter, Michael, Michler, Peter, Walmsley, Ian A, Portalupi, Simone L, Ledingham, Patrick M

“…A hybrid interface of solid-state single-photon sources and atomic quantum memories is a long sought-after goal in photonic quantum technologies. Here, we…”
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Atomic Frequency Comb Memory in Warm Rubidium Vapour by Schofield, Zakary, Christan-Edwards, Alice, Mor, Ori, Laurindo, Vanderli, Ledingham, Patrick M

“…Quantum memories are used as a means of scaling quantum networks. Protocols based on warm atomic ensembles allow for a large number of atoms with technical…”
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Bending the Rules: Quantum Effects in the Operation of a Microscopic Heat Engine in Diamond by Becker, Jonas N., Poem, Eilon, Klatzow, James, Ledingham, Patrick M., Weinzetl, Christian, Kaczmarek, Krzysztof T., Saunders, Dylan J., Nunn, Joshua, Uzdin, Raam, Walmsley, Ian A.

“…A classical heat engine that extracts work from thermal sources and which does not include coherence amongst its microscopic degrees of freedom is a…”
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Hybrid optical and electronic laser locking using slow light due to spectral holes by Tay, Jian Wei, Farr, Warrick G., Ledingham, Patrick M., Korystov, Dmitry, Longdell, Jevon J.

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Quantum correlations using strong optical pulses in rare earth ion doped crystals by Ledingham, Patrick M., Longdell, Jevon J.

“…We use photon echo based protocols with cryogenic rare earth ion dopants to create photon streams with time separated correlations. Theoretically, these…”
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Nonclassical photon streams using rephased amplified spontaneous emission by Ledingham, Patrick M., Naylor, William R., Longdell, Jevon J., Beavan, Sarah E., Sellars, Matthew J.

“…We present a fully quantum mechanical treatment of optically rephased photon echoes. These echoes exhibit noise due to amplified spontaneous emission; however,…”
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Topical White Paper: A Case for Quantum Memories in Space by Gündoğan, Mustafa, Jennewein, Thomas, Asadi, Faezeh Kimiaee, Da Ros, Elisa, Sağlamyürek, Erhan, Oblak, Daniel, Vogl, Tobias, Rieländer, Daniel, Sidhu, Jasminder, Grandi, Samuele, Mazzarella, Luca, Wallnöfer, Julius, Ledingham, Patrick, LeBlanc, Lindsay, Mazzera, Margherita, Mohageg, Makan, Wolters, Janik, Ling, Alexander, Atatüre, Mete, de Riedmatten, Hugues, Oi, Daniel, Simon, Christoph, Krutzik, Markus

“…It has recently been theoretically shown that Quantum Memories (QM) could enable truly global quantum networking when deployed in space thereby surpassing the…”
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Quantum correlations between single telecom photons and a multimode on-demand solid state quantum memory by Seri, Alessandro, Lenhard, Andreas, Rieländer, Daniel, Gündoğan, Mustafa, Ledingham, Patrick M, Mazzera, Margherita, de Riedmatten, Hugues

“…Phys. Rev. X 7, 021028 (2017) Quantum correlations between long lived quantum memories and telecom photons that can propagate with low loss in optical fibers…”
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Raman Quantum Memory with Built-In Suppression of Four-wave Mixing Noise by Thomas, Sarah E, Hird, Thomas M, Munns, Joseph H. D, Brecht, Benjamin, Saunders, Dylan J, Nunn, Joshua, Walmsley, Ian A, Ledingham, Patrick M

“…Phys. Rev. A 100, 033801 (2019) Quantum memories are essential for large-scale quantum information networks. Along with high efficiency, storage lifetime and…”
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Experimental demonstration of quantum effects in the operation of microscopic heat engines by Klatzow, James, Becker, Jonas N, Ledingham, Patrick M, Weinzetl, Christian, Kaczmarek, Krzysztof T, Saunders, Dylan J, Nunn, Joshua, Walmsley, Ian A, Uzdin, Raam, Poem, Eilon

“…Physical Review Letters 112, 110601 (2019) The heat engine, a machine that extracts useful work from thermal sources, is one of the basic theoretical…”
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Ultrahigh and persistent optical depths of alkali vapours for quantum memories in hollow-core photonic crystal fibers by Kaczmarek, Krzysztof T., Saunders, Dylan J., Feizpour, Amir, Ledingham, Patrick M., Brecht, Benjamin, Poem, Eilon, Walmsley, Ian A., Nunn, Joshua

“…We show the highest (>10 5 ) and longest-lived (>3 hours) optical depths of alkali vapours in hollow-core photonic crystal fibres, which we will use to…”
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Single-photon-level interface for linking Sr+ transition at 422nm with the telecommunications C-band by Wright, Thomas A., Francis-Jones, Robert J. A., Gawith, Corin B. E., Becker, Jonas N., Ledingham, Patrick M., Walmsley, Ian A., Brecht, Benjamin, Nunn, Joshua, Mosley, Peter J.

“…We present a single-stage bi-directional interface capable of linking Sr + trapped ion qubits emitting single photons at 422 nm with the telecoms C-band. We…”
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A solid state spin-wave quantum memory for time-bin qubits by Gündoğan, Mustafa, Ledingham, Patrick M, Kutluer, Kutlu, Mazzera, Margherita, de Riedmatten, Hugues

“…Phys. Rev. Lett. 114, 230501 (2015) We demonstrate the first solid-state spin-wave optical quantum memory with on-demand read-out. Using the full atomic…”
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