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1 March 2019 Investigation of controlled external feedback on the properties of low and high-power frequency-stabilized diode laser
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Abstract
Unwanted optical feedback is a common problem in many optical setups of laser systems. To quantify the effect, the influence of a controlled external feedback on the emission properties of a low power distributed feedback ridge waveguide and a high power distributed Bragg reflector tapered diode laser are analyzed. The measured influence of the phase dependent feedback over several orders of magnitude in feedback power attenuation on emission wavelength is discussed and compared to theory.
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Christof Zink, Mathias Christensen, Muhammad T. Jamal, Anders K. Hansen, Martin Maiwald, Ole B. Jensen, Bernd Sumpf, and Günther Tränkle "Investigation of controlled external feedback on the properties of low and high-power frequency-stabilized diode laser", Proc. SPIE 10939, Novel In-Plane Semiconductor Lasers XVIII, 109391J (1 March 2019); doi: 10.1117/12.2509546; https://doi.org/10.1117/12.2509546
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