Author Affiliations

Kai Bongs,¹ Jon Malcolm,¹ Clemens Ramelloo,¹ Lingxiao Zhu,¹ Vincent Boyer,¹ Tristan Valenzuela,¹ Jessica Maclean,² Anton Piccardo-Selg,² Chris Mellor,² Thomas Fernholz,² Mark Fromhold,² Peter Krüger,² Ortwin Hellmig,³ Alexander Grote,³ Soren Dörscher,³ Hannes Duncker,³ Patrick Windpassinger,³ Klaus Sengstock,³ Christoph Becker,³ Bruno Pelle,⁴ Adèle Hilico,⁴ Minkang Zhou,⁴ Marie-Christine Angonin,⁴ Peter Wolf,⁴ Franck Pereira Dos Santos,⁴ FranceAndrea Bertoldi,⁵ Philippe Bouyer,⁵ Tommaso Mazzoni,⁶ Nicola Poli,⁶ Fiodor Sorrentino,⁶ Marco Tarallo,⁶ Guglielmo M. Tino,⁶ Simon Stellmer,⁷ Florian Schreck,⁷ Manuel Popp,⁸ Waldemar Herr,⁸ Thijs Wendrich,⁸ Wolfgang Ertmer,⁸ Ernst Rasel,⁸ Christian Kürbis,⁹ Achim Peters,⁹ and Andreas Wicht⁹

¹Midlands Ultracold Atom Research Centre, Physics and Astronomy, University of Birmingham, Birmingham B15 2TT, UK

²Midlands Ultracold Atom Research Centre, School of Physics and Astronomy, University of Nottingham, Nottingham NG7 2RD, UK

³Institut für Laser-Physik, Universitat Hamburg, Luruper Chaussee 149, 22761 Hamburg, Germany

⁴LNE-SYRTE, Observatoire de Paris, LNE, CNRS, UPMC, 61 avenue de l’Observatoire, 75014 Paris

⁵Laboratoire Charles Fabry de l’Institut d’Optique, CNRS and University Paris-Sud, Campus Polytechnique, RD 128, 91127 Palaiseau cedex, France

⁶Dipartimento di Fisica e Astronomia and LENS, Università di Firenze-INFN Sezione di Firenze, Via Sansone 1, 50019 Sesto Fiorentino, Italy

⁷Institut für Quantenoptik und Quanteninformation, Österreichische Akademie der Wissenschaften, 6020 Innsbruck, Austria

⁸Institut für Quantenoptik, Leibniz Universität Hannover, Am Welfengarten 1, 30167. Hannover, Germany

⁹Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik, Gustav-Kirchhoff-Straße 4, 12489 Berlin, Germany