G.T. Purves
Sagnac interferometry in a slow-light medium
Purves, G.T.; Adams, C.S.; Hughes, I.G.
Authors
Professor Stuart Adams c.s.adams@durham.ac.uk
Professor
Professor Ifan Hughes i.g.hughes@durham.ac.uk
Professor
Abstract
We use a Sagnac interferometer to measure the dispersive and absorptive properties of room temperature Rubidium vapor on the D2 line at 780.2 nm. We apply a pump beam such that the resulting system exhibits electromagnetically induced transparency. Using a "biased alignment" technique we demonstrate a direct and robust method of measuring the rapid variation in the refractive index. Such a "slow-light" Sagnac interferometer is ideally suited to precision measurement applications such as magnetometry and inertial sensing.
Citation
Purves, G., Adams, C., & Hughes, I. (2006). Sagnac interferometry in a slow-light medium. Physical Review A, 74, https://doi.org/10.1103/physreva.74.023805
Journal Article Type | Article |
---|---|
Publication Date | 2006-08 |
Deposit Date | Apr 28, 2008 |
Publicly Available Date | Mar 29, 2024 |
Journal | Physical Review A |
Print ISSN | 1050-2947 |
Electronic ISSN | 1094-1622 |
Publisher | American Physical Society |
Peer Reviewed | Peer Reviewed |
Volume | 74 |
DOI | https://doi.org/10.1103/physreva.74.023805 |
Keywords | Electromagnetically induced transparency, Group-velocity, Saturatedabsorption, Luminous ether, Atomic gas, Dispersion, Magnetometer;systems, Index, Steep. |
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