Sagnac Interferometry Using Bright Matter-Wave Solitons

Abstract

We use an effective one-dimensional Gross-Pitaevskii equation to study bright matter-wave solitons held in a tightly confining toroidal trapping potential, in a rotating frame of reference, as they are split and recombined on narrow barrier potentials. In particular, we present an analytical and numerical analysis of the phase evolution of the solitons and delimit a velocity regime in which soliton Sagnac interferometry is possible, taking account of the effect of quantum uncertainty.

5 pages, 3 figures

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• Stationary and moving bright solitons in Bose-Einstein condensates with spin-orbit coupling in a Zeeman field
• Progress towards quantum-enhanced interferometry with harmonically trapped quantum matter-wave bright solitons
• Superballistic center-of-mass motion in one-dimensional attractive Bose gases: Decoherence-induced Gaussian random walks in velocity space
• Splitting of two-component solitary waves from collisions with narrow potential barriers
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• Experimental Observation of Single- and Multisite Matter-Wave Solitons in an Optical Accordion Lattice
• Coherent Impurity Transport in an Attractive Binary Bose-Einstein condensate
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• A versatile ring trap for quantum gases
• Soliton Dimer-soliton scattering in coupled Quasi-one-dimensional Dipolar Bose-Einstein Condensates