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Investigation of bent DBR-RW Laser Diodes emitting at 785 nm

L.S. Theurer, J.-P. Koester, A. Müller, J. Fricke, M. Maiwald, B. Sumpf, A. Knigge, G. Tränkle

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Conf. on Lasers and Electro-Optics/Europe and European Quantum Electronics Conf. (CLEO/Europe-EQEC 2023), Munich, Germany, Jun. 26-30, ISBN: 979-8-3503-4599-5, cb-p-14 (2023).


Monolithic multi-wavelength diode lasers are of great interest in application fields such as THz-generation or shifted excitation Raman difference spectroscopy. Combining the laser light of multiple laser resonators placed next to each other on the same chip is necessary to realize multi-wavelength laser emission from a common output aperture. This can be obtained by implementing bent waveguides, which launch the laser light into a Y- [1] or MMI-coupler [2].

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

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