Electromagnetically induced transparency in paraffin-coated vapor cells

Journal Article · Sat Jan 15 04:00:00 EST 2011 · Physical Review. A

DOI:https://doi.org/10.1103/PHYSREVA.83.013826· OSTI ID:21537067

Klein, M; Hohensee, M; Walsworth, R L ^[1]; Phillips, D F ^[1]

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1. Harvard-Smithsonian Center for Astrophysics, Cambridge, Massachusetts 02138 (United States)

Antirelaxation coatings in atomic vapor cells allow ground-state coherent spin states to survive many collisions with the cell walls. This reduction in the ground-state decoherence rate gives rise to ultranarrow-bandwidth features in electromagnetically induced transparency (EIT) spectra, which can form the basis of, for example, long-time scale slow and stored light, sensitive magnetometers, and precise frequency standards. Here we study, both experimentally and theoretically, how Zeeman EIT contrast and width in paraffin-coated rubidium vapor cells are determined by cell and laser-beam geometry, laser intensity, and atomic density. Using a picture of Ramsey pulse sequences, where atoms alternately spend ''bright'' and ''dark'' time intervals inside and outside the laser beam, we explain the behavior of EIT features in coated cells, highlighting their unique characteristics and potential applications.

• OSTI ID: 21537067
• Journal Information: Physical Review. A, Journal Name: Physical Review. A Journal Issue: 1 Vol. 83; ISSN 1050-2947; ISSN PLRAAN
• Country of Publication: United States
• Language: English

Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALI METALS
ALKANES
ANGULAR MOMENTUM
BEAMS
CELL CONSTITUENTS
CELL WALL
COATINGS
COLLISIONS
DENSITY
DEPOSITION
ELECTROMAGNETIC RADIATION
ELEMENTS
FLUIDS
GASES
HYDROCARBONS
LASERS
MAGNETOMETERS
MEASURING INSTRUMENTS
METALS
OPACITY
OPTICAL PROPERTIES
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PARAFFIN
PARTICLE PROPERTIES
PHOTON BEAMS
PHYSICAL PROPERTIES
PULSES
RADIATIONS
RUBIDIUM
SPECTRA
SPIN
SURFACE COATING
VAPORS
WAXES
ZEEMAN EFFECT