We will present plans for a multiplexed optical lattice clock, and will discuss progress made towards its completion. This apparatus will allow for independent loading, preparation, and interrogation of two ensembles of strontium atoms in spatially separated, movable optical lattices. Simultaneous differential measurements of the two ensembles will offer common mode noise rejection of shared environmental perturbations and clock laser noise. We will propose new tests of relativity and methods for evaluating clock systematics using differential measurements, and discuss applications of a multiplexed optical lattice clock to gravitational wave detection and searches for beyond standard model physics.

Date Published: 5 March 2019
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Proc. SPIE 10934, Optical, Opto-Atomic, and Entanglement-Enhanced Precision Metrology, 109342C (5 March 2019); doi: 10.1117/12.2515506

Published in SPIE Proceedings Vol. 10934:
Optical, Opto-Atomic, and Entanglement-Enhanced Precision Metrology
Selim M. Shahriar; Jacob Scheuer, Editor(s)