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Detecting neutral atoms on an atom chip
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2006 (English)In: Fortschritte der Physik, ISSN 0015-8208, E-ISSN 1521-3978, Vol. 54, no 8-10, p. 746-764Article in journal (Refereed) Published
Abstract [en]

Detecting single atoms (qubits) is a key requirement for implementing quantum information processing on an atom chip. The detector should ideally be integrated on the chip. Here we present and compare different methods capable of detecting neutral atoms on an atom chip. After a short introduction to fluorescence and absorption detection we discuss cavity enhanced detection of single atoms. In particular we concentrate on optical fiber based detectors such as fiber cavities and tapered fiber dipole traps. We discuss the various constraints in building such detectors in detail along with the current implementations on atom chips. Results from experimental tests of fiber integration are also described. In addition we present a pilot experiment for atom detection using a concentric cavity to verify the required scaling.

Place, publisher, year, edition, pages
Wiley-VCH Verlagsgesellschaft, 2006. Vol. 54, no 8-10, p. 746-764
Keywords [en]
atom detection, absorption, fluorescence, fiber cavity, tapered lensed fiber, concentric cavity, dipole trap, SU-8 mounting of fibers
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:kth:diva-267285DOI: 10.1002/prop.200610323ISI: 000240242000009Scopus ID: 2-s2.0-33748528594OAI: oai:DiVA.org:kth-267285DiVA, id: diva2:1392309
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QC 20200214

Available from: 2020-02-07 Created: 2020-02-07 Last updated: 2020-02-14Bibliographically approved

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Hessmo, Björn
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