Chip-scale packages for a tunable wavelength reference and laser cooling platform

Dyer, S., Gallacher, K. , Hawley, U., Bregazzi, A., Griffin, P.F., Arnold, A.S., Paul, D.J. , Riis, E. and McGilligan, J.P. (2023) Chip-scale packages for a tunable wavelength reference and laser cooling platform. Physical Review Applied, 19(4), 044015. (doi: 10.1103/PhysRevApplied.19.044015)

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Abstract

We demonstrate a tunable, chip-scale wavelength reference to greatly reduce the complexity and volume of cold-atom sensors. A 1-mm optical path length microfabricated cell provides an atomic wavelength reference, with dynamic frequency control enabled by Zeeman-shifting the atomic transition through the magnetic field generated by the printed-circuit-board coils. The dynamic range of the laser frequency stabilization system is evaluated and used in conjunction with an improved generation of chip-scale cold-atom platforms that traps 4 million 87 Rb atoms. The scalability and component consolidation provide a key step forward in the miniaturization of cold-atom sensors.

Item Type:Articles
Additional Information:The authors acknowledge funding from Defence Security and Technology Laboratory, Engineering and Physical Sciences Research Council (EP/T001046/1), and Defence and Security Accelerator. The authors would like to acknowledge support from the INMAQS collaboration (EP/W026929/1). J.P.M. gratefully acknowledges funding from a Royal Academy of Engineering Research Fellowship and D.J.P. from a Royal Academy of Engineering Research Chair in Emerging Technologies (CiET2021\123). A.B. was supported by a PhD studentship from the Defence Science and Technology Laboratory (Dstl).
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Hawley, Mrs Ugne and Gallacher, Dr Kevin and Paul, Professor Douglas
Authors: Dyer, S., Gallacher, K., Hawley, U., Bregazzi, A., Griffin, P.F., Arnold, A.S., Paul, D.J., Riis, E., and McGilligan, J.P.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Journal Name:Physical Review Applied
Publisher:American Physical Society
ISSN:2331-7019
ISSN (Online):2331-7019
Published Online:05 April 2023
Copyright Holders:Copyirght © 2023 American Physical Society
First Published:First published in Physical Review Applied 19(4):044015
Publisher Policy:Reproduced in accordance with the publisher copyright policy
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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
305673Quantum Hub 2 - Birmingham - UK Quantum Technology Hub for Sensors and TimingDouglas PaulEngineering and Physical Sciences Research Council (EPSRC)EP/T001046/1P&S - Physics & Astronomy
310460Cold Atom Systems on a Single ChipDouglas PaulRoyal Academy of Engineering (RAE)CIET2021\123ENG - Electronics & Nanoscale Engineering