Integrated on Chip Platform with Quantum Emitters in Layered Materials

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Journal Article
Advanced Optical Materials, 2019, 7 (23)
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© 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim Integrated quantum photonic circuitry is an emerging topic that requires efficient coupling of quantum light sources to waveguides and optical resonators. So far, great effort is devoted to engineering on-chip systems from 3D crystals such as diamond or gallium arsenide. In this study, room-temperature coupling is demonstrated of quantum emitters embedded in layered hexagonal boron nitride to an on-chip aluminum nitride waveguide. 1.35% light coupling efficiency is achieved in the device and transmission of single photons through the waveguide is demonstrated. The results serve as foundation for integrating layered materials to on-chip components and realizing integrated quantum photonic circuitry.
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