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Offset Simultaneous Conjugate Atom Interferometers
Weicheng Zhong, Richard H. Parker, Zachary Pagel +2
Correlating the signals from simultaneous atom interferometers has enabled some of the most precise determinations of fundamental constants. Here, we show that multiple interferome…
Measurement of the fine-structure constant as a test of the Standard Model
Richard H. Parker, Chenghui Yu, Weicheng Zhong +2
Measurements of the fine-structure constant alpha require methods from across subfields and are thus powerful tests of the consistency of theory and experiment in physics. Using th…
Laser frequency stabilization by combining modulation transfer and frequency modulation spectroscopy
Fei Zi, Xuejian Wu, Weicheng Zhong +5
We present a hybrid laser frequency stabilization method combining modulation transfer spectroscopy (MTS) and frequency modulation spectroscopy (FMS) for the cesium D2 transition.…
Controlling the Multiport Nature of Bragg Diffraction in Atom Interferometry
Richard H Parker, Chenghui Yu, Brian Estey +3
Bragg diffraction has been used in atom interferometers because it allows signal enhancement through multiphoton momentum transfer and suppression of systematics by not changing th…
High-resolution atom interferometers with suppressed diffraction phases
Brian Estey, Chenghui Yu, Holger Müller +2
We experimentally and theoretically study the diffraction phase of large-momentum transfer beam splitters in atom interferometers based on Bragg diffraction. We null the diffractio…