Compact single-mode diode laser in the visible spectral range
C. Nölleke1, P. Leisching1, G. Blume2, D. Jedrzejczyk2, J. Pohl2, D. Feise2, A. Sahm2, K. Paschke2
Published in:
Proc. SPIE 10082, Photonics West, San Francisco, USA, Jan 28 - Feb 02, 1008225 (2017).
Abstract:
This work reports on a compact single-mode diode laser emitting at 633 nm based on an AlGaAs/AlGaInP structure with an integrated DBR surface grating. The micro-fabricated diode laser package includes optics for beam shaping, optical isolation and single-mode fiber coupling. The miniaturized optical isolator is based on cadmium manganese telluride, which provides a large Verdet constant and thus enables the realization of a compact Faraday rotator in the visible spectral range. We discuss the performance and the technological challenges for this approach. Furthermore, we present prospects towards the integration of atomic reference cells into compact laser systems. This would enable the realization of absolute frequency-stabilized diode lasers that could be used in quantum technology devices.
a TOPTICA Photonics AG, Lochhamer Schlag 19, 82166 Graefelfing, Germany
b Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik, Gustav-Kirchhoff-Str. 4, 12489 Berlin, Germany
Keywords:
Diode laser, single-frequency laser, optical isolator, miniaturization.
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