Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Log inSign up
Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Blog
Job Board
Q3AS

© 2026 Aqora Quantum S.A.S.

TermsPrivacyLegal Notice

arXiv:physics/0502031 · The European Physical Journal D

Integrated optical components on atom chips

S. Eriksson, M. Trupke, H. F. Powell, D. Sahagun, Christopher D. J. Sinclair, E. A. Curtis, B. E. Sauer, E. A. Hinds, Z. Moktadir, C. O. Gollasch, M. Kraft

Published Jun 13, 2005• 41 citations
arXivHTMLPDF
DOI
10.1140/epjd/e2005-00092-x

Related papers

Atom-optical elements on micro chips

Sebastian Kraft, Andreas Günther, Philipp Wicke +3 more

arXiv:cond-mat/0504242•The European Physical Journal D•Jul 18, 2005•5 citations

Integrated optical components on atom chips

S. Eriksson, Trupke, M, Powell, H F +8 more

We report on the integration of small-scale optical components into silicon wafers for use in atom chips. We present an on-chip fibre-optic atom detection scheme that can probe clouds with small atom numbers. The fibres can also be used to generate microscopic dipole traps. We describe our most recent results with optical microcavities and show that single-atom detection can be realised on an atom chip. The key components have been fabricated by etching directly into the atom chip silicon substrate.

•Feb 7, 2005•33 citations

Atom Optics on Chips

L. Mauritz Andersson, P. Krüger, Stephan Wildermuth +1 more

APS•May 1, 2004•0 citations

The integration of fibre optics for atom chips

Stephen John Helsby

This thesis reports on the progress made towards the integration of fibre optics components for the atom chip, a device developed to manipulate matter on the atomic scale for the purpose of quantum information processing, novel applications, and fundamental research. Following in the direction of the electronics industry, miniaturisation has resulted in exquisite control of cold atoms above surfaces, allowing the vision of a matter wave toolbox to come closer to fruition. However, although the size of the components necessary for guiding atoms via magnetic or electrostatic fields has been greatly reduced, there is still a need to scale down the optical components. The development of these cavities is detailed in this thesis, from early use of evaporated gold coated mirrors to the fully integral solution of photorefractive Bragg gratings. In addition to a thorough analysis of the optical properties of these fibre gap cavities, experimental results indicate that these gap cavity devices can be constructed with the sensitivity necessary for single atom detection.

•Mar 1, 2008•0 citations

Atom chip and quantum optics

Shengwang Du

•Jan 1, 2006•0 citations

Towards an integrated atom chip

G. Lewis

The field of atom chips is a relatively new area of research which is rapidly becoming of great interest to the scientific community. It started out as a small branch of cold atom physics which has quickly grown into a multidisciplinary\nsubject. It now encompasses topics from fundamental atomic and quantum theory, optics and laser science, to the engineering of ultra sensitive sensors.\n\nIn this thesis the first steps are taken towards a truly integrated atom chip device for real world applications. Multiple devices are presented that allow the trapping, cooling, manipulation and counting of atoms. Each device presents a new component required for the integration and miniaturisation of atom chips\ninto a single device, capable of being used as a sensor.\n\nInitially, a wire trap was created capable of trapping and splitting a cloud of BoseEinstein condensate (BEC) for use in atom interferometry. Using this chip a BEC has been successfully created, trapped and coherent splitting of this cloud has been achieved.\n\nSubsequently, the integration and simplification of the initial trapping process was approached. In all the experiments to date, atoms are initially collected from a warm vapour by a magneto-optical trap (MOT). This thesis presents a new approach in which microscopic pyramidal MOTs’ are integrated into the chip itself. This greatly reduces the number of optical components and helps to simplify the process significantly.\n\nAlso presented is a method for creating a planar-concave micro-cavity capable of single atom detection. One such cavity consists of a concave mirror fabricated in silicon and the planar tip of an optical fibre. The performance of the resonators\nis highly dependent on the surface roughness and shape profile of the concave mirrors therefore a detailed study into the fabrication technique and its effects on these parameters was undertaken. Using such cavities single atom detection has been shown to be possible. These cavities have also been sccessfully integrated into an atom wire guide.\n\nFinally a co-sputtered amorphous silicon/titanium (a-Si/Ti) nanocomposite material was created and studied for its use as a novel structural material. This material is potentially suitable for integrated circuitry (IC)/Micro-electromechanical-\nsystems (MEMS) integration. The material’s electrical and\nstructural properties were investigated and initial results suggest that a-Si/Ti has the potential to be a compelling structural material for future IC/MEMS integration.\n\nTo build all of these devices, a full range of standard microfabrication techniques was necessary as well as some non standard processes that required considerable process development such as the electrochemical deposition.\n\nThis thesis presents a tool box of fabrication techniques for creating various components capable of different tasks that can be integrated into a single device. Each component has been successfully demonstrated in laboratory conditions. This represents a significant step toward a real world atom chip device.

•Mar 1, 2009•0 citations
We report on the integration of small-scale optical components into silicon wafers for use in atom chips. We present an on-chip fibre-optic atom detection scheme that can probe clouds with small atom numbers. The fibres can also be used to generate microscopic dipole traps. We describe our most recent results with optical microcavities and show that single-atom detection can be realised on an atom chip. The key components have been fabricated by etching directly into the atom chip silicon substrate.
This thesis reports on the progress made towards the integration of fibre optics components for the atom chip, a device developed to manipulate matter on the atomic scale for the purpose of quantum information processing, novel applications, and fundamental research. Following in the direction of the electronics industry, miniaturisation has resulted in exquisite control of cold atoms above surfaces, allowing the vision of a matter wave toolbox to come closer to fruition. However, although the size of the components necessary for guiding atoms via magnetic or electrostatic fields has been greatly reduced, there is still a need to scale down the optical components. The development of these cavities is detailed in this thesis, from early use of evaporated gold coated mirrors to the fully integral solution of photorefractive Bragg gratings. In addition to a thorough analysis of the optical properties of these fibre gap cavities, experimental results indicate that these gap cavity devices can be constructed with the sensitivity necessary for single atom detection.
The field of atom chips is a relatively new area of research which is rapidly becoming of great interest to the scientific community. It started out as a small branch of cold atom physics which has quickly grown into a multidisciplinary\nsubject. It now encompasses topics from fundamental atomic and quantum theory, optics and laser science, to the engineering of ultra sensitive sensors.\n\nIn this thesis the first steps are taken towards a truly integrated atom chip device for real world applications. Multiple devices are presented that allow the trapping, cooling, manipulation and counting of atoms. Each device presents a new component required for the integration and miniaturisation of atom chips\ninto a single device, capable of being used as a sensor.\n\nInitially, a wire trap was created capable of trapping and splitting a cloud of BoseEinstein condensate (BEC) for use in atom interferometry. Using this chip a BEC has been successfully created, trapped and coherent splitting of this cloud has been achieved.\n\nSubsequently, the integration and simplification of the initial trapping process was approached. In all the experiments to date, atoms are initially collected from a warm vapour by a magneto-optical trap (MOT). This thesis presents a new approach in which microscopic pyramidal MOTs’ are integrated into the chip itself. This greatly reduces the number of optical components and helps to simplify the process significantly.\n\nAlso presented is a method for creating a planar-concave micro-cavity capable of single atom detection. One such cavity consists of a concave mirror fabricated in silicon and the planar tip of an optical fibre. The performance of the resonators\nis highly dependent on the surface roughness and shape profile of the concave mirrors therefore a detailed study into the fabrication technique and its effects on these parameters was undertaken. Using such cavities single atom detection has been shown to be possible. These cavities have also been sccessfully integrated into an atom wire guide.\n\nFinally a co-sputtered amorphous silicon/titanium (a-Si/Ti) nanocomposite material was created and studied for its use as a novel structural material. This material is potentially suitable for integrated circuitry (IC)/Micro-electromechanical-\nsystems (MEMS) integration. The material’s electrical and\nstructural properties were investigated and initial results suggest that a-Si/Ti has the potential to be a compelling structural material for future IC/MEMS integration.\n\nTo build all of these devices, a full range of standard microfabrication techniques was necessary as well as some non standard processes that required considerable process development such as the electrochemical deposition.\n\nThis thesis presents a tool box of fabrication techniques for creating various components capable of different tasks that can be integrated into a single device. Each component has been successfully demonstrated in laboratory conditions. This represents a significant step toward a real world atom chip device.