Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Goodwin, Joseph F"'
We develop methods to find the limits to finite-time single photon extraction from emitter-cavity systems. We first establish analytic upper and lower bounds on the maximum extraction probability from a canonical $\Lambda$-system before developing a
Externí odkaz:
http://arxiv.org/abs/2403.10355
Autor:
Hughes, William J., Doherty, Thomas H., Blackmore, Jacob A., Horak, Peter, Goodwin, Joseph F.
The transverse field structure and diffraction loss of the resonant modes of Fabry-P\'erot optical cavities are acutely sensitive to the alignment and shape of the mirror substrates. We develop extensions to the `mode mixing' method applicable to arb
Externí odkaz:
http://arxiv.org/abs/2306.05929
Autor:
Hughes, William J., Doherty, Thomas H., Blackmore, Jacob A., Horak, Peter, Goodwin, Joseph F.
Publikováno v:
Optics Express Vol. 31, Issue 20, pp. 32619-32636 (2023)
We present a study on the optical losses of Fabry-P\'erot cavities subject to realistic transverse mirror misalignment. We consider mirrors of the two most prevalent surface forms: idealised spherical depressions, and Gaussian profiles generated by l
Externí odkaz:
http://arxiv.org/abs/2306.05894
Publikováno v:
Phys. Rev. Applied 19, 014033 (2023)
In the design optimisation of ion-cavity interfaces for quantum networking applications, difficulties occur due to the many competing figures of merit and highly interdependent design constraints, many of which present `soft-limits', amenable to impr
Externí odkaz:
http://arxiv.org/abs/2112.05795
Publikováno v:
Rev. Sci. Instrum. 92, 033205 (2021)
We present a design for an atomic oven suitable for loading ion traps, which is operated via optical heating with a continuous-wave multimode diode laser. The absence of the low-resistance electrical connections necessary for Joule heating allows the
Externí odkaz:
http://arxiv.org/abs/2010.15497
Publikováno v:
New J. Phys. 25 013004 (2023)
The generation of entanglement between distant atoms via single photons is the basis for networked quantum computing, a promising route to large-scale trapped-ion and trapped-atom processors. Locating the emitter within an optical cavity provides an
Externí odkaz:
http://arxiv.org/abs/2008.11712
Autor:
Ballance, Timothy G., Goodwin, Joseph F., Nichol, Bethan, Stephenson, Laurent J., Ballance, Christopher J., Lucas, David M.
Publikováno v:
Rev. Sci. Instrum. 89, 053102 (2018)
Ion traps are often loaded from atomic beams produced by resistively heated ovens. We demonstrate an atomic oven which has been designed for fast control of the atomic flux density and reproducible construction. We study the limiting time constants o
Externí odkaz:
http://arxiv.org/abs/1710.02489
Publikováno v:
Phys. Rev. A 107, 052417 (2023)
The high-fidelity storage of quantum information is crucial for quantum computation and communication. Many experimental platforms for these applications exhibit highly biased noise, with good resilience to spin depolarisation undermined by high deph
Externí odkaz:
http://arxiv.org/abs/1606.00056
Autor:
Goodwin, Joseph F., Brown, Benjamin J., Stutter, Graham, Dale, Howard, Thompson, Richard C., Rudolph, Terry
Publikováno v:
Phys. Rev. A 92, 032314 (2015)
Quantum error-correcting codes are many-body entangled states that are prepared and measured using complex sequences of entangling operations. Each element of such an entangling sequence introduces noise to delicate quantum information during the enc
Externí odkaz:
http://arxiv.org/abs/1407.1858
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