21 May 2018 A transimpedance amplifier based on an LTPS process operated in alkali vapor for the measurement of an ionization current
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Abstract
Rydberg atoms in room temperature vapor cells are promising candidates for realizing new kinds of quantum devices and sensors. However, the alkali vapor, which is most commonly used, introduces new technological challenges. We demonstrate the applicability of anodic bonding as a sealing method for vapor cells, which preserves vacuum levels down to 10-7 mbar for several years, while being compatible with thin-film electronics on glass. We furthermore prove, that the implementation of such thin-film electronics inside a highly reactive atmosphere of alkali vapor is possible. We also propose a new kind of gas sensor based on Rydberg excitations as a competitive and promising application of our Rydberg detection scheme.
Conference Presentation
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Johannes Schmidt, Patrick Schalberger, Holger Baur, Robert Löw, Tilman Pfau, Harald Kübler, Norbert Fruehauf, "A transimpedance amplifier based on an LTPS process operated in alkali vapor for the measurement of an ionization current", Proc. SPIE 10674, Quantum Technologies 2018, 106740D (21 May 2018); doi: 10.1117/12.2309655; https://doi.org/10.1117/12.2309655
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