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The success of the very stable and reliable widely tuneable coupled cavity laser (CCL) reported in [1, 2] was due to the coupling element being based on a multi-mode (MMI) waveguide [2]. Such couplers bring about transmission properties with well-defined and engineerable coupling phase [3]. Rate-equation theory [4] for two identical longitudinally coupled Fabry-Pérot semiconductor lasers predicts...
Simulation and experimental investigation of the linewidth-power product of high power distributed feedback (DFB) diode lasers are presented. The reduction of linewidth-power product to 4.4 MHz.mW was observed for 780 nm DFB lasers.
Silicon nitride (Si3N4) waveguide platforms [1,2] are interesting candidates for optical interconnects and sensing applications [3] thanks to high quality passive components, transparency for NIR and visible wavelengths and their compatibility with CMOS process technology. Unfortunately, no native light sources are available for Si3N4 platforms and the integration of active materials, i.e. III-V compounds,...
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