منابع مشابه
Progress in Atom Chips and the Integration of Optical Microcavities
We review recent progress at the Centre for Cold Matter in developing atom chips. An important advantage of miniaturizing atom traps on a chip is the possibility of obtaining very tight trapping structures with the capability of manipulating atoms on the micron length scale. We recall some of the pros and cons of bringing atoms close to the chip surface, as is required in order to make small st...
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We have proposed and experimentally demonstrated a new technique for creating spin squeezed states of distant atoms by their common interaction with a driven resonator mode. Using this technique we achieve the largest spin squeezing to date, 5.6dB of improvement in signal-to-noise ratio over the standard quantum limit. We have demonstrated a squeezed atomic clock that reaches a given precision ...
متن کاملMicro-optical elements with arbitrary surfaces
We present a comparison of three different technologies for the fabrication of microoptical elements with arbitrary surfaces. We used direct laser writing, binary mask lithography in combination with reactive ion etching, and graytone lithography.
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We present experiments with Bose-Einstein condensates on a combined atom chip. The combined structure consists of a large-scale “carrier chip” and smaller “atom-optics chips,” containing micron-sized elements. This allows us to work with condensates very close to chip surfaces without suffering from fragmentation or losses due to thermally driven spin flips. Precise three-dimensional positionin...
متن کاملTowards quantum computing with single atoms and optical cavities on atom chips
We report on recent developments in the integration of optical microresonators into atom chips and describe some fabrication and implementation challenges. We also review theoretical proposals for quantum computing with single atoms based on the observation of photons leaking through the cavity mirrors. The use of measurements to generate entanglement can result in simpler, more robust and scal...
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ژورنال
عنوان ژورنال: The European Physical Journal D
سال: 2005
ISSN: 1434-6060,1434-6079
DOI: 10.1140/epjd/e2005-00185-6