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MacV: VCSELs for miniature atomic clocks

Zaouris, D., Powell, D., Knapp, M., Haji, M., Gill, P., Shutts, Samuel, Smowton, Peter M., Eddie, I., McKee, A. and Meredith, W. 2019. MacV: VCSELs for miniature atomic clocks. Presented at: 2019 Joint Conference of the IEEE International Frequency Control Symposium and European Frequency and Time Forum (EFTF/IFC), Orlando, FL, USA, 14-18 April 2019. 2019 Joint Conference of the IEEE International Frequency Control Symposium and European Frequency and Time Forum (EFTF/IFC). IEEE, p. 1. 10.1109/FCS.2019.8856005

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Abstract

Compact coherent population trapping (CPT) based clocks require single-mode, low-power consumption, high-speed and polarization-stable laser sources. We report our progress in developing customized vertical cavity surface emitting laser (VCSEL) diodes designed for operating on the D1 transition of cesium, and specifically tailored for CPT-based atomic clocks. The VCSELs provide high power (>1 mW), narrow linewidths (<; 100 MHz), mode-hop free tunability over 8 nm, and are shown to be polarization stable over a wide range of operating bias conditions (average polarization suppression >15 dB). Preliminary spectroscopy has been observed.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Publisher: IEEE
ISBN: 9781538683064
ISSN: 1075-6787
Date of First Compliant Deposit: 13 December 2019
Date of Acceptance: 3 October 2019
Last Modified: 20 Dec 2019 11:37
URI: http://orca-mwe.cf.ac.uk/id/eprint/127510

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