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Proceedings Paper

High power VCSEL devices for atomic clock applications
Author(s): L. S. Watkins; C. Ghosh; J.-F. Seurin; D. Zhou; G. Xu; B. Xu; A. Miglo
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Paper Abstract

We are developing VCSEL technology producing >100mW in single frequency at wavelengths 780nm, 795nm and 850nm. Small aperture VCSELs with few mW output have found major applications in atomic clock experiments. Using an external cavity three-mirror configuration we have been able to operate larger aperture VCSELs and obtain >70mW power in single frequency operation.

The VCSEL has been mounted in a fiber pigtailed package with the external mirror mounted on a shear piezo. The package incorporates a miniature Rb cell locker to lock the VCSEL wavelength. This VCSEL operates in single frequency and is tuned by a combination of piezo actuator, temperature and current. Mode-hop free tuning over >30GHz frequency span is obtained. The VCSEL has been locked to the Rb D2 line and feedback control used to obtain line-widths of <100kHz.

Paper Details

Date Published: 1 September 2015
PDF: 11 pages
Proc. SPIE 9616, Nanophotonics and Macrophotonics for Space Environments IX, 96160J (1 September 2015); doi: 10.1117/12.2187112
Show Author Affiliations
L. S. Watkins, Princeton Optronics, Inc. (United States)
C. Ghosh, Princeton Optronics, Inc. (United States)
J.-F. Seurin, Princeton Optronics, Inc. (United States)
D. Zhou, Princeton Optronics, Inc. (United States)
G. Xu, Princeton Optronics, Inc. (United States)
B. Xu, Princeton Optronics, Inc. (United States)
A. Miglo, Princeton Optronics, Inc. (United States)


Published in SPIE Proceedings Vol. 9616:
Nanophotonics and Macrophotonics for Space Environments IX
Edward W. Taylor; David A. Cardimona, Editor(s)

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