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Publications

Conference contributions - under Events
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Dissertations
Collage of several patent specifications from various countries, including Germany, the USA and Japan. Information such as file numbers, filing dates and patent numbers are presented.

Patents

DBR Lasers at 679.29 and 707.20 nm for Efficient Repumping in Sr Optical Lattice Clocks

N. Goossen-Schmidt1, B. Arar1,2, J. Fricke1, K. Häusler1, A. Maaßdorf1, M. Schiemangk1, S. Szermer1, H. Wenzel1, and A. Wicht1

Published in:

IEEE Photonics Technol. Lett., vol. 37, no. 20, pp. 1205-1208, doi:10.1109/LPT.2025.3591153 (2025).

Abstract:

We have developed and characterized DBR lasers emitting at 679 nm and 707 nm, specifically tailored to excite the repumping wavelengths in Sr optical lattice clocks. They achieve a FWHM linewidth of about 1 MHz at optical output powers of more than 65 mW.

1 Ferdinand-Braun-Institut, 12489 Berlin, Germany
2 Quantum Communication Networks Group, Deutsche Telekom Chair of Communication Networks, TU Dresden, 01062 Dresden, Germany

Index Terms:

DBR lasers, Sr optical lattice clocks, 679 nm, 707 nm

© 2025 The Authors. This work is licensed under a Creative Commons Attribution 4.0 License. For more information, see https://creativecommons.org/licenses/by/4.0/

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