The electro-optic, acousto-optic and nonlinear properties of lithium niobate make it a highly versatile material platform for integrated quantum photonic circuits. A prerequisite for quantum technology applications is the ability to efficiently integrate single photon sources, and to guide the generated photons through ad-hoc circuits. Here we report the integration of quantum dots in monolayer WSe2 into a Ti in-diffused lithium niobate directional coupler. We investigate the coupling of individual quantum dots to the waveguide mode, their spatial overlap, and the overall efficiency of the hybrid-integrated photonic circuit.
CITATION STYLE
White, D., Branny, A., Chapman, R. J., Picard, R., Brotons-Gisbert, M., Boes, A., … Gerardot, B. D. (2019). Atomically-thin quantum dots integrated with lithium niobate photonic chips [Invited]. Optical Materials Express, 9(2), 441. https://doi.org/10.1364/ome.9.000441
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