A Raman Waveplate for Spinor BECs
Justin T. Schultz, Azure Hansen, and Nicholas P. Bigelow
TL;DR
This paper introduces a Raman-based waveplate for spinor Bose-Einstein condensates, enabling precise control and measurement of their quantum states through optical phase manipulation and imaging of Stokes parameters.
Contribution
It presents a novel optical waveplate technique for spinor BECs using two-photon Raman interactions, allowing direct measurement of the condensate's quantum phase.
Findings
Successfully measured Stokes parameters of a coreless vortex
Controlled the waveplate's retardance via pulse area
Enabled imaging of the condensate's quantum state
Abstract
We demonstrate a waveplate for a pseudo-spin-1/2 Bose-Einstein condensate using a two-photon Raman interaction. The angle of the waveplate is set by the relative phase of the optical fields, and the retardance is controlled by the pulse area. The waveplate allows us to image maps of the Stokes parameters of a Bose-Einstein condensate and thereby measure its relative ground state phase. We demonstrate the waveplate by measuring the Stokes parameters of a coreless vortex.
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Taxonomy
TopicsCold Atom Physics and Bose-Einstein Condensates · Quantum Information and Cryptography · Quantum Mechanics and Applications