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Chip-scale atomic devices

John Kitching
2018 Applied Physics Reviews  
Chip-scale atomic devices combine elements of precision atomic spectroscopy, silicon micromachining, and advanced diode laser technology to create compact, low-power, and manufacturable instruments with  ...  We review the design, fabrication, and performance of chip-scale atomic clocks, magnetometers, and gyroscopes and discuss many applications in which these novel instruments are being used.  ...  Oates for their thoughtful comments on the manuscript.  ... 
doi:10.1063/1.5026238 fatcat:y73jbwmx2nhplcxbu2vrssibmq

Wafer-Level Filling of MEMS Vapor Cells Based on Chemical Reaction and Evaporation

Ping Guo, Hongling Meng, Lin Dan, Jianye Zhao
2022 Micromachines  
Micro-electro-mechanical system (MEMS) vapor cells are key components for sensors such as chip-scale atomic clocks (CSACs) and magnetometers (CSAMs).  ...  The results demonstrate that the presented method of the wafer-level filling of MEMS vapor cells fulfills the requirements of sensors such as CSACs.  ...  ., Ltd. for providing us with the equipment and the materials for the experiment. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/mi13020217 pmid:35208340 pmcid:PMC8879220 fatcat:vvdcsqvdbjgpbj6wbt55btbxp4

MEMS technology for timing and frequency control

Clark Nguyen
2007 IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control  
With even more aggressive three-dimensional MEMS technologies, even higher on-chip Q's are possible, such as already achieved via chip-scale atomic physics packages, which so far have achieved Q's > 10  ...  With even more aggressive three-dimensional MEMS technologies, even higher on-chip Q's are possible, such as already achieved via chip-scale atomic physics packages, which so far have achieved Q's > 10  ...  Although cost has in general been the dominant reason, cost is less of an issue for vibrating RF MEMS devices, since a variety of low-cost wafer-level approaches to 0 th level vacuum or hermetic packaging  ... 
doi:10.1109/tuffc.2007.240 fatcat:ujspiyijsvfbpjlrzmo6w4gkea

Invited Review: Micro-fabricated components for cold atom sensors [article]

J. P. McGilligan, K. Gallacher, P. F. Griffin, D. J. Paul, A. S. Arnold, E. Riis
2022 arXiv   pre-print
Laser cooled atoms have proven transformative for precision metrology, playing a pivotal role in state-of-the-art clocks and interferometers, and having the potential to provide a step-change in our modern  ...  We present recent developments in cold-atom sensor miniaturization, focusing on key components that enable laser cooling on the chip-scale.  ...  VCSELs have provided a dramatic reduction in SWaP for a chip-scale atomic clock (CSAC) by eliminating the atomic discharge lamp and heating elements (∼ 2 W) with a source that requires less than 5 mW of  ... 
arXiv:2208.00680v1 fatcat:ujbunzxbtjb7lk4yzxcg4dtgie

Frank chang recognized for modern cell phone technology and WLAN systems

Mau-Chung Frank Chang
2006 IEEE Solid-State Circuits Society Newsletter  
ISSCC 2005 article "Towards Chip- Scale Atomic Clocks."  ...  The physics package described in the paper consumes 75mW of power, which is 100x better than the present lowest power production atomic clock, but still not low enough to meet the 30mW Chip-Scale Atomic  ...  Li from UC Irvine will address MEMS for wireless and biomedical applications. Youri Tretiakov from RFMD will present passive device design, modeling and measurement (including packaging effects).  ... 
doi:10.1109/n-ssc.2006.6500129 fatcat:72ur4mgqvjeizf4tfsrudwgeaa

A high-overtone bulk acoustic wave resonator-oscillator-based 4.596 GHz frequency source: Application to a coherent population trapping Cs vapor cell atomic clock

Thomas Daugey, Jean-Michel Friedt, Gilles Martin, Rodolphe Boudot
2015 Review of Scientific Instruments  
These resonators exhibit an extremely small size and power consumption, very high Q × f products 12 up to 10 14 and high-potential for wafer-level fabrication.  ...  This remarkable value is close to the ultimate atomic clock quantum noise limit for microcell-based miniature CPT atomic clocks. 29 IV. CPT ATOMIC CLOCK EXPERIMENT A.  ...  Discussions were reported to evaluate the potential of this technology to be implemented in low-volume and low power consumption miniature atomic clocks.  ... 
doi:10.1063/1.4935172 pmid:26628155 fatcat:xx2egviog5fyxknwmlzizakxqu

Defense Advanced Research Projects Agency (Darpa) Fiscal Year 2016 Budget Estimates

Department Of Defense Comptroller's Office
2015 Zenodo  
Prior DARPA investment in Chip-Scale Atomic Clock (CSAC) technology has led to recent demonstrations of enhanced DoD capabilities, enabled by the wide availability of atomic-quality timing in portable  ...  Prior DARPA investment in Chip-Scale Atomic Clock (CSAC) technology has led to recent demonstrations of enhanced DoD capabilities, enabled by the wide availability of atomic-quality timing in portable  ... 
doi:10.5281/zenodo.1215366 fatcat:cqn5tyfixjanzp5x3tgfkpedri

Development and Characterization of a 171Yb+ Miniature Ion Trap Frequency Standard [article]

Heather L. Partner
2012 arXiv   pre-print
This dissertation reports on the development of a low-power, high-stability miniature atomic frequency standard based on 171Yb+ ions.  ...  We began by building a conventional tabletop clock to use as a test bed while developing several designs of miniature ion-trap vacuum packages, while also developing techniques for various aspects of the  ...  Similar problems exist for the CSAC (chip-scale) clocks, which although low-power and very small, have poor long-term performance [47] .  ... 
arXiv:1208.5622v1 fatcat:5h6ysdkh2zfwbau32jpf5uk7wy

MEMS technology for timing and frequency control

C.T.-C. Nguyen
Proceedings of the 2005 IEEE International Frequency Control Symposium and Exposition, 2005.  
With even more aggressive three-dimensional MEMS technologies, even higher on-chip Q's are possible, such as already achieved via chip-scale atomic physics packages, which so far have achieved Q's > 10  ...  With even more aggressive three-dimensional MEMS technologies, even higher on-chip Q's are possible, such as already achieved via chip-scale atomic physics packages, which so far have achieved Q's > 10  ...  Although cost has in general been the dominant reason, cost is less of an issue for vibrating RF MEMS devices, since a variety of low-cost wafer-level approaches to 0 th level vacuum or hermetic packaging  ... 
doi:10.1109/freq.2005.1573895 fatcat:dslk5su6qfheth3hryc3uievoe

Improved GNSS navigation with chip-scale atomic clocks [article]

Thomas Krawinkel, University, My, University, My
2019
The development of so-called chip-scale atomic clocks (CSACs) makes the use of a highly stable oscillator in kinematic GNSS applications possible.  ...  Die Entwicklung von sogenannten Chip Scale Atomic Clocks (CSACs) ermöglicht den Einsatz hochstabiler Oszillatoren in kinematischen GNSS-Anwendungen.  ...  Thanks to the fact that industrial miniaturization towards microelectromechanical systems (MEMSs) did not stop for atomic clocks, the development of so-called chip-scale atomic clocks (CSACs) in the 2000s  ... 
doi:10.15488/4684 fatcat:ixtm2etxa5fnbc547zskgmsshu

Microfabricated rubidium dielectric barrier discharge light sources for portable atomic clocks

Vinu Lalgudi Venkatraman
2013
Today's miniature atomic clocks therefore use a laser diode (VCSEL) as the light source, which are compact, energy efficient, and operate at low power.  ...  low-frequency drifts with time) to a miniature DR clock.  ...  The wafer is then diced to 1 cm x 1 cm chips for continuing the next steps in chip-scale level.  ... 
doi:10.5075/epfl-thesis-5702 fatcat:i3sycy2lvnagzesuag2uux6cnq

Micro-integrated diode laser modules for quantum optical sensors in space [article]

Anja Kohfeldt, Technische Universität Berlin, Technische Universität Berlin, Günther Tränkle
2017
With FOKUS, the first optical clock in space, and MAIUS, the first atom interferometer in space, two ambitious sounding rocket experiments were initiated that push the boundaries of both quantum technology  ...  In addition to the optical and electro-optical components, it contains temperature sensors for monitoring and thermal stabilization, as well as an electrical interface supporting the frequency stabilization  ...  The frequency comb system is referenced on a chip scale atomic clock (CSAC) (SA.45s CSAC, Symmetricon), based on microwave oscillation, and allows the comparison of the CSAC with the optical atomic clock  ... 
doi:10.14279/depositonce-6584 fatcat:wkhagfz66ngg7c6mn2hm2gf4ma