Tailored laser sources for UV/blue wavelengths are in ever-increasing demand due to the advancing fields of quantum ion-trapping, metrology and computation. In particular, compact sources are required for the field deployment of quantum technologies. In recent work, we demonstrated the ability to fabricate ridge waveguides in Periodically Poled Lithium Niobate (PPLN) for Rb atom trapping based on 1560 nm Second Harmonic Generation (SHG) and mode matched to standard telecommunications optical fibre [1]. Here, we present our advancement of this work toward UV generation at 369 nm for Yb+ Doppler cooling, with an emphasis on manufacturing scalability.

© 2019 IEEE

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