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Matter-wave interferometers using TAAP rings

Navez, Patrick; Pandey, Saurabh; Mas, Hector; Poulios, Konstantinos; Fernholz, Thomas; von Klitzing, Wolf

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Authors

Patrick Navez

Saurabh Pandey

Hector Mas

Konstantinos Poulios

Wolf von Klitzing



Abstract

We present two novel matter-wave Sagnac interferometers based on ring-shaped time-averaged adiabatic potentials (TAAP). For both the atoms are put into a superposition of two different spin states and manipulated independently using elliptically polarized rf-fields. In the first interferometer the atoms are accelerated by spin-state-dependent forces and then travel around the ring in a matter-wave guide. In the second one the atoms are fully trapped during the entire interferometric sequence and are moved around the ring in two spin-state-dependent `buckets'. Corrections to the ideal Sagnac phase are investigated for both cases. We experimentally demonstrate the key atom-optical elements of the interferometer such as the independent manipulation of two different spin states in the ring-shaped potentials under identical experimental conditions.

Journal Article Type Article
Acceptance Date Jun 7, 2016
Online Publication Date Jul 20, 2016
Deposit Date Jul 7, 2016
Publicly Available Date Jul 20, 2016
Journal New Journal of Physics
Electronic ISSN 1367-2630
Publisher IOP Publishing
Peer Reviewed Peer Reviewed
Volume 18
DOI https://doi.org/10.1088/1367-2630/18/7/075014
Keywords Ultra-cold atoms, atom interferometers, rotation sensing
Public URL https://nottingham-repository.worktribe.com/output/800193
Publisher URL http://iopscience.iop.org/article/10.1088/1367-2630/18/7/075014

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