Visible light laser and optical systems are the heart of precision applications including quantum computing, atomic clocks and precision metrology. As these systems scale in terms of number of lasers, wavelengths, and optical components, their reliability, weight, size, and power consumption will push the limits of using traditional laboratoryscale lasers and optics. Visible light photonic integration is critical to overcoming these bottlenecks and to enable portable and low cost applications. Solutions must deliver low waveguide losses, low laser phase noise and high stability lasers, and key functions such as modulation and wavelength shifting, in a wafer-scale CMOS foundry compatible platform. In this talk we will cover integration of visible light photonics and key components for atom cooling, trapping and interrogation, in the ultra-low loss silicon nitride (Si3N4) waveguide platform, including ultra-narrow linewidth stabilized lasers, ultra-low loss waveguides, ultra-high Q resonators, modulators, filters, beam emitters and other components. Higher level functional integration will be covered as well as atom cooling demonstrations.

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Daniel J. Blumenthal, Nitesh Chauhan, Andrei Isichenko, Kaikia Liu, and Jiawei Wang, "Integrated stabilized lasers and circuits for atom cooling, trapping, and interrogation," Proc. SPIE 12447, Quantum Sensing, Imaging, and Precision Metrology, 124470S (Presented at SPIE Quantum West: January 30, 2023; Published: 8 March 2023); https://doi.org/10.1117/12.2662375.