Berlin 2014 – scientific programme
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Q: Fachverband Quantenoptik und Photonik
Q 30: Poster: Photonics, laser development and applications, ultrashort laser pulses, quantum effects
Q 30.44: Poster
Tuesday, March 18, 2014, 16:30–18:30, Spree-Palais
Micro-integrated semiconductor laser modules for precision quantum sensors in space — •Anja Kohfeldt1, Ahmad Bawamia1, Christian Kürbis1, Erdenetsetseg Luvsandamdin1, Max Schiemangk1,2, Andreas Wicht1,2, Götz Erbert1, Achim Peters1,2, and Günther Tränkle1 — 1Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik, Gustav-Kirchhoff-Str. 4, 12489 Berlin, Germany — 2Humboldt-Universität zu Berlin, Institut für Physik, Newtonstr. 15, 12489 Berlin, Germany
We report on the development of a very robust, energy-efficient, semiconductor based laser platform for the deployment of cold atom based quantum sensors in space. This platform is suitable for Master Oscillator Power Amplifier (MOPA) and Extended Cavity Diode Laser (ECDL) modules. The modules have a footprint not larger than 80 x 25 mm2 and make use of either already space qualified or space qualifiable components and integration technologies.
Designed for rubidium spectroscopy at 780 nm we will present a MOPA system achieving an optical output power > 1 W and an intrinsic linewidth of < 50 kHz. Further, we outline the next steps of development that combine the MOPA and ECDL concepts with micro-integrated fibre-coupling in a hermetic housing and thus open up the prospect of satellite borne lasers for future applications such as inter-stellar navigation and relativistic geodesy.
This work is supported by the German Space Agency DLR with funds provided by the Federal Ministry of Economics and Technology (BMWi) under the grant numbers 50WM1141 and 50WM1240.