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All Outputs (11)

Hafele and Keating on a chip: Sagnac interferometry with a single clock (2020)
Journal Article
Johnson, J., Foxon, B., Atkocius, V., Gentile, F., Jammi, S., Poulios, K., & Fernholz, T. (2020). Hafele and Keating on a chip: Sagnac interferometry with a single clock. Proceedings of SPIE, 11296, https://doi.org/10.1117/12.2552686

We describe our progress in the development of an atom based rotation sensor, which employs state-dependent trapping potentials to transport ultracold atoms along a closed path and perform Sagnac interferometry. Whilst guided atom interferometers are... Read More about Hafele and Keating on a chip: Sagnac interferometry with a single clock.

Microwave spectroscopy of radio-frequency dressed 87Rb (2019)
Journal Article
A. Sinuco-Leon, G., M. Garraway, B., Mas, H., Pandey, S., Vasilakis, G., Bolpasi, V., …Fernholz, T. (2019). Microwave spectroscopy of radio-frequency dressed 87Rb. Physical Review A, 100(5), https://doi.org/10.1103/PhysRevA.100.053416

We study the hyperfine spectrum of atoms of $^{87}$Rb dressed by a radio-frequency field, and present experimental results in three different situations: freely falling atoms, atoms trapped in an optical dipole trap and atoms in an adiabatic radio-fr... Read More about Microwave spectroscopy of radio-frequency dressed 87Rb.

Ring-shaped atom-trap lattices using multipole dressing fields (2019)
Journal Article
Gentile, F., Johnson, J., Poulios, K., & Fernholz, T. Ring-shaped atom-trap lattices using multipole dressing fields. Manuscript submitted for publication

We present a method for the creation of closed-loop lattices for ultra-cold atoms using dressed potentials. We analytically describe the generation of trap lattices that are state-dependent, with dynamically controlled lattice depths and positioning.... Read More about Ring-shaped atom-trap lattices using multipole dressing fields.

Hypersonic Bose–Einstein condensates in accelerator rings (2019)
Journal Article
Pandey, S., Mas, H., Drougakis, G., Thekkeppatt, P., Bolpasi, V., Vasilakis, G., …von Klitzing, W. (2019). Hypersonic Bose–Einstein condensates in accelerator rings. Nature, 570(7760), 205-209. https://doi.org/10.1038/s41586-019-1273-5

© 2019, The Author(s), under exclusive licence to Springer Nature Limited. Some of the most sensitive and precise measurements—for example, of inertia1, gravity2 and rotation3—are based on matter-wave interferometry with free-falling atomic clouds. T... Read More about Hypersonic Bose–Einstein condensates in accelerator rings.

Multimode interferometry for entangling atoms in quantum networks (2019)
Journal Article
Barrett, T. D., Rubenok, A., Stuart, D., Barter, O., Holleczek, A., Dilley, J., …Kuhn, A. (2019). Multimode interferometry for entangling atoms in quantum networks. Quantum Science and Technology, 4(2), Article 025008. https://doi.org/10.1088/2058-9565/aafaba

© 2019 IOP Publishing Ltd. We bring together a cavity-enhanced light-matter interface with a multimode interferometer (MMI) integrated onto a photonic chip and demonstrate the potential of such hybrid systems to tailor distributed entanglement in a q... Read More about Multimode interferometry for entangling atoms in quantum networks.

Matter-wave interferometers using TAAP rings (2016)
Journal Article
Navez, P., Pandey, S., Mas, H., Poulios, K., Fernholz, T., & von Klitzing, W. (in press). Matter-wave interferometers using TAAP rings. New Journal of Physics, 18, https://doi.org/10.1088/1367-2630/18/7/075014

We present two novel matter-wave Sagnac interferometers based on ring-shaped time-averaged adiabatic potentials (TAAP). For both the atoms are put into a superposition of two different spin states and manipulated independently using elliptically pola... Read More about Matter-wave interferometers using TAAP rings.

Quantum Logic with Cavity Photons from Single Atoms (2016)
Journal Article
Holleczek, A., Barter, O., Rubenok, A., Dilley, J., Nisbet-Jones, P. B., Langfahl-Klabes, G., …Matthews, J. C. (2016). Quantum Logic with Cavity Photons from Single Atoms. Physical Review Letters, 117(2), Article 023602. https://doi.org/10.1103/PhysRevLett.117.023602

© 2016 American Physical Society. We demonstrate quantum logic using narrow linewidth photons that are produced with an a priori nonprobabilistic scheme from a single Rb87 atom strongly coupled to a high-finesse cavity. We use a controlled-not gate i... Read More about Quantum Logic with Cavity Photons from Single Atoms.

Towards rotation sensing with a single atomic clock (2016)
Journal Article
Fernholz, T., Stevenson, R., Hush, M. R., Lesanovsky, I., Bishop, T., Gentile, F., …von Klitzing, W. (2016). Towards rotation sensing with a single atomic clock. Proceedings of SPIE, 9900(990007), https://doi.org/10.1117/12.2229878

We discuss a scheme to implement a gyroscopic atom sensor with magnetically trapped ultra-cold atoms. Unlike standard light or matter wave Sagnac interferometers no free wave propagation is used. Interferometer operation is controlled only with stati... Read More about Towards rotation sensing with a single atomic clock.

Quantum Walks of Correlated Photon Pairs in Two-Dimensional Waveguide Arrays (2014)
Journal Article
Poulios, K., Keil, R., Fry, D., D. A. Meinecke, J., C. F. Matthews, J., Politi, A., …L. O'Brien, J. (2014). Quantum Walks of Correlated Photon Pairs in Two-Dimensional Waveguide Arrays. Physical Review Letters, 112(14), Article 143604. https://doi.org/10.1103/PhysRevLett.112.143604

We demonstrate quantum walks of correlated photons in a 2D network of directly laser written waveguides coupled in a 'swiss cross' arrangement. The correlated detection events show high-visibility quantum interference and unique composite behaviour:... Read More about Quantum Walks of Correlated Photon Pairs in Two-Dimensional Waveguide Arrays.

Coherent time evolution and boundary conditions of two-photon quantum walks in waveguide arrays (2013)
Journal Article
D. A. Meinecke, J., Poulios, K., Politi, A., C. F. Matthews, J., Peruzzo, A., Ismail, N., …G. Thompson, M. (2013). Coherent time evolution and boundary conditions of two-photon quantum walks in waveguide arrays. Physical Review A, 88(1), Article 012308. https://doi.org/10.1103/PhysRevA.88.012308

Multi-photon quantum walks in integrated optics are an attractive controlled quantum system, that can mimic less readily accessible quantum systems and exhibit behavior that cannot in general be accurately replicated by classical light without an exp... Read More about Coherent time evolution and boundary conditions of two-photon quantum walks in waveguide arrays.

Observing fermionic statistics with photons in arbitrary processes (2013)
Journal Article
C. F. Matthews, J., Poulios, K., D. A. Meinecke, J., Politi, A., Peruzzo, A., Ismail, N., …L. O'Brien, J. (2013). Observing fermionic statistics with photons in arbitrary processes. Scientific Reports, 3, Article 1539. https://doi.org/10.1038/srep01539

In contrast to classical physics, quantum mechanics divides particles into two classes-bosons and fermions-whose exchange statistics dictate the dynamics of systems at a fundamental level. In two dimensions quasi-particles known as 'anyons' exhibit f... Read More about Observing fermionic statistics with photons in arbitrary processes.