Lasing in $\mathrm{Si}_3\mathrm{N}_4$-organic hybrid (SiNOH) waveguides

Lasers that operate in the visible wavelength range and can be easily integrated on a chip together with photonic integrated circuits are of particular interest for biophotonic applications. We present a new class of laser sources that emit at 600 nm wavelength and can be efficiently integrated on the $\mathrm{Si}_3\mathrm{N}_4$ platform using low-cost fabrication techniques. The $\mathrm{Si}_3\mathrm{N}_4$-organic hybrid lasers are optically pumped from top without the need of a precise alignment. We investigate different laser geometries based on spiral shaped ring resonators and distributed feedback resonators. We discuss the laser properties with a focus on their application in the field of bioscience.

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