Gravity curves space and time. This can lead to proper time differences between freely
falling, nonlocal trajectories. A spatial superposition of a massive particle is predicted to be …

Atom-interferometric quantum sensors could revolutionize navigation, civil engineering, and
Earth observation. However, operation in real-world environments is challenging due to …

We introduce a novel technique for enhancing the robustness of light-pulse atom
interferometers against the pulse infidelities that typically limit their sensitivities. The …

We report here on the realization of light-pulse atom interferometers with large-momentum-
transfer atom optics based on a sequence of Bragg transitions. We demonstrate momentum …

The equivalence principle (EP) is a basic assumption of the general relativity. The quantum
test of the equivalence principle with atoms is an important way to examine the applicable …

We present a laser system for performing single-photon atom interferometry on the 698 nm
clock transition in ultracold strontium. We coherently combine the power of two titanium …

The sensitivity of light and matter-wave interferometers to rotations is based on the Sagnac
effect and increases with the area enclosed by the interferometer. In the case of light, the …

Large-scale atom interferometers promise unrivaled strain sensitivity to mid-band
gravitational waves, and will probe a new parameter space in the search for ultra-light scalar …

This study presents a highly efficient and low-noise all-fiber single-frequency (SF) 795-nm
laser system realized using a simple and robust single-pass frequency-doubling …

We report a compact and robust architecture of a versatile laser system that allows the
implementation of several advanced atom interferometry techniques, such as Bragg …