Multi-site, multi-ensemble integrated photonics ytterbium ion clock*

Scalable quantum sensor and quantum computing platforms necessitate the development of integrated photonics for reduced size and increased atom quantity. To this end, we micro-fabricated an ion trap with multiple integrated waveguides each addressing a laser wavelength ranging from the ultraviolet to near infrared. Each waveguide acts a five-way beam splitter to address multiple ions as a single ensemble. We report on progress of this multi-site, multi-ensemble integrated photonics ytterbium ion clock.