Quantum metrology with a trapped atom interferometer interrogated for one minute
Abstract: Precise control of quantum states allows atom interferometers to explore fundamental physics and perform inertial sensing. For atomic fountain interferometers, the measurement time is limited by the available free-fall time to a few seconds. We instead realize atom interferometry with a coherent spatial superposition state held by an optical lattice beyond 1 minute. This performance was made possible by recent advances in the understanding and control of coherence-limiting mechanisms.
Deployed quantum sensors and clocks
Abstract: Quantum sensors will broadly impact industries including transportation and logistics, telecommunications, aerospace, defense, and geophysical exploration. They offer transformative performance gains over conventional technologies; atomic clocks are precise to 1 second in 50 billion years. However, these laboratory devices are large, fragile, and expensive. Commercial quantum devices require redesign from the ground up with a focus on real-world operability.