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Phase stabilization of multidimensional amplification architectures for ultrashort pulses

: Müller, Michael G.; Kienel, Marco; Klenke, Arno; Eidam, Tino; Limpert, Jens; Tünnermann, Andreas


Shaw, B.L. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Fiber Lasers XII. Technology, Systems, and Applications : 9-12 February 2015, San Francisco, California
Bellingham, WA: SPIE, 2015 (Proceedings of SPIE 9344)
ISBN: 978-1-62841-434-9
Paper 93441D, 7 S.
Conference "Fiber Lasers - Technology, Systems, and Applications" <12, 2015, San Francisco/Calif.>
Fraunhofer IOF ()

The active phase stabilization of spatially and temporally combined ultrashort pulses is investigated theoretically and experimentally. Particularly, considering a combining scheme applying 2 amplifier channels and 4 divided pulse replicas a bistable behavior is observed. The reason is mutual influence of the optical error signals that is intrinsic to temporal polarization beam combining. A successful mitigation strategy is proposed and is analyzed theoretically and experimentally.