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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2004
Helsby, S.
6ae6295e-2e50-4d1f-a683-38f6fcc861a6
Powell, H.F.
50a5e480-ae94-4d33-b9f3-1ccdcf7552c6
Horak, P.
520489b5-ccc7-4d29-bb30-c1e36436ea03
Klappauf, B.G.
3c294729-d837-4845-b946-276cf81db97c
Kazansky, P.
a5d123ec-8ea8-408c-8963-4a6d921fd76c
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.
12 - 16 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.
More information
Published date: 2004
Venue - Dates:
POWAG 2004: Glass-Based Modulators, Routers and Switches (GLAMOROUS) Workshop, Bath, UK, 2004-07-12 - 2004-07-16
Identifiers
Local EPrints ID: 38234
URI: http://eprints.soton.ac.uk/id/eprint/38234
PURE UUID: 968995de-e20f-4fd5-a484-8dccf70dac1c
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Date deposited: 09 Jun 2006
Last modified: 16 Mar 2024 03:27
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Contributors
Author:
S. Helsby
Author:
H.F. Powell
Author:
P. Horak
Author:
B.G. Klappauf
Author:
P. Kazansky
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