precision

Physics

Bringing the power of tabletop precision lasers for quantum science to the chip scale

Andrei Ishchenko holds an ultra-high-quality ring resonator (left) that helps turn “coarse” light from a commercially available Fabry-Perot laser diode (right) into a low-linewidth laser. Credit: Sonia Fernandez, University of California, Santa Barbara For experiments that require ultra-high precision measurements and control of atoms (think two-photon atomic clocks, cold atom interferometer sensors, quantum gates), more spectrally pure (emitting a single…