Vapor cells with a bidirectional solid-state charge-depletion capacitor for mobile ions

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United States of America Patent

PATENT NO 9837177
SERIAL NO

15271353

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Abstract

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The present invention provides a vapor-cell system comprising: a vapor-cell region configured for vapor-cell optical paths; a first electrode disposed in contact with the vapor-cell region; a second electrode electrically isolated from the first electrode; and an ion conductor interposed between the first electrode and the second electrode. The first electrode, the ion conductor, and the second electrode collectively form a bidirectional solid-state electrochemical charge-depletion capacitor. The ion conductor is ionically conductive for mobile ions, such as Rb+, Cs+, Na+, K+, or Sr2+. The first electrode is permeable to the mobile ions and/or neutral atoms formed from the mobile ions. The system can be electrically controlled to quickly pump mobile ions into or out of the vapor-cell region. The system may further contain an atom chip, and the vapor-cell optical paths may be configured to trap a population of cold atoms. Methods of operating these vapor-cell systems are also disclosed.

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Patent Owner(s)

Patent OwnerAddress
HRL LABORATORIES LLC3011 MALIBU CANYON ROAD MALIBU CA 90265-4799

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Rakher, Matthew T Oxnard, US 5 46
Roper, Christopher S Oak Park, US 75 549

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