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@article{Kohnen:2010:10.1038/nphoton.2010.255,
author = {Kohnen, M and Succo, M and Petrov, PG and Nyman, RA and Trupke, M},
doi = {10.1038/nphoton.2010.255},
journal = {Nature Photonics},
pages = {35--38},
title = {An array of integrated atom–photon junctions},
url = {http://dx.doi.org/10.1038/nphoton.2010.255},
volume = {5},
year = {2010}
}

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TY  - JOUR
AB  - Photonic chips that integrate optical elements on a single device can process vast amounts of information rapidly. A new branch of this technology involves coupling light to cold atoms or Bose–Einstein condensates, the quantum nature of which provides a basis for new information-processing methods. The use of optical waveguides gives the light a small cross-section, making coupling to atoms efficient. In this Letter, we present the first waveguide chip designed to address a Bose–Einstein condensate along a row of independent junctions, which are separated by only 10 µm and have large atom–photon coupling. We describe a fully integrated, scalable design, and demonstrate 11 junctions working as intended, using a low-density cold atom cloud with as little as one atom on average in any one junction. The device suggests new possibilities for engineering quantum states of matter and light on a microscopic scale.
AU  - Kohnen,M
AU  - Succo,M
AU  - Petrov,PG
AU  - Nyman,RA
AU  - Trupke,M
DO  - 10.1038/nphoton.2010.255
EP  - 38
PY  - 2010///
SP  - 35
TI  - An array of integrated atom–photon junctions
T2  - Nature Photonics
UR  - http://dx.doi.org/10.1038/nphoton.2010.255
UR  - http://hdl.handle.net/10044/1/18754
VL  - 5
ER  -

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