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Fiber optics for quantum computers

Fiber optics for quantum computers
Fiber optics for quantum computers
We describe schemes for the integration of miniature optical components onto Atom Chips, for the manipulation and detection of ultra-cold atoms. Our intention is to build detectors sensitive enough to accurately detect single atoms. Two approaches are discussed: simple fluorescence detection and the use of a resonant cavity. Theory predicts that cavities with F>100 should be sufficient to obtain signal to noise ratios high enough to detect single atoms. The first micro cavities were demonstrated using mirrors formed by cleaved fiber ends coated with a stick-on dielectric coating to give F ~100. A more successful approach involves the full integration of the mirrors and fibers by using Bragg gratings written into the fiber core: it has been possible to form gap cavities with F ~ 150.
Helsby, S.
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Powell, H.F.
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Horak, P.
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Klappauf, B.G.
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Kazansky, P.
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Helsby, S.
6ae6295e-2e50-4d1f-a683-38f6fcc861a6
Powell, H.F.
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Horak, P.
520489b5-ccc7-4d29-bb30-c1e36436ea03
Klappauf, B.G.
3c294729-d837-4845-b946-276cf81db97c
Kazansky, P.
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Helsby, S., Powell, H.F., Horak, P., Klappauf, B.G. and Kazansky, P. (2004) Fiber optics for quantum computers. POWAG 2004: Glass-Based Modulators, Routers and Switches (GLAMOROUS) Workshop, Bath, UK. 11 - 15 Jul 2004. 3 pp .

Record type: Conference or Workshop Item (Paper)

Abstract

We describe schemes for the integration of miniature optical components onto Atom Chips, for the manipulation and detection of ultra-cold atoms. Our intention is to build detectors sensitive enough to accurately detect single atoms. Two approaches are discussed: simple fluorescence detection and the use of a resonant cavity. Theory predicts that cavities with F>100 should be sufficient to obtain signal to noise ratios high enough to detect single atoms. The first micro cavities were demonstrated using mirrors formed by cleaved fiber ends coated with a stick-on dielectric coating to give F ~100. A more successful approach involves the full integration of the mirrors and fibers by using Bragg gratings written into the fiber core: it has been possible to form gap cavities with F ~ 150.

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Published date: 2004
Venue - Dates: POWAG 2004: Glass-Based Modulators, Routers and Switches (GLAMOROUS) Workshop, Bath, UK, 2004-07-11 - 2004-07-15

Identifiers

Local EPrints ID: 38234
URI: http://eprints.soton.ac.uk/id/eprint/38234
PURE UUID: 968995de-e20f-4fd5-a484-8dccf70dac1c
ORCID for P. Horak: ORCID iD orcid.org/0000-0002-8710-8764

Catalogue record

Date deposited: 09 Jun 2006
Last modified: 18 Feb 2021 16:59

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