Narrow-linewidth double-resonance optical pumping spectrum due to electromagnetically induced transparency in ladder-type inhomogeneously broadened media

Journal Article · Thu Apr 15 04:00:00 EDT 2010 · Physical Review. A

DOI:https://doi.org/10.1103/PHYSREVA.81.043803· OSTI ID:21408700

Baodong, Yang; Qiangbing, Liang; Jun, He; Tiancai, Zhang; Junmin, Wang ^[1]

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1. State Key Laboratory of Quantum Optics and Quantum Optics Devices, and Institute of Opto-Electronics, Shanxi University, Taiyuan 030006 (China)

Based on the cesium 6S{sub 1/2}-6P{sub 3/2}-8S{sub 1/2} ladder-type atomic system, double-resonance optical pumping (DROP) spectra including electromagnetically induced transparency (EIT) effects have been investigated with a room-temperature cesium vapor cell. For both cases of the probe and the coupling laser beams passing through the cesium vapor cell with the counter-propagation (CTP) and co-propagation (CP) configurations, the DROP spectra measured in the experiment display explicitly different linewidths. Thanks to the EIT effect, the linewidth of the DROP spectrum is explicitly narrower for the CTP configuration than for the CP configuration. Experimental results agree with the theoretical analysis considering Doppler averaging. Furthermore, when the coupling laser has moderate power, the DROP spectrum for the CTP configuration clearly shows two components: the narrow part due to the EIT effect and the broad part caused by optical pumping (but these two different components are never seen in the CP configuration). Also, the effect of the intensity of the coupling and probe lasers on the DROP spectra is investigated.

• OSTI ID: 21408700
• Journal Information: Physical Review. A, Journal Name: Physical Review. A Journal Issue: 4 Vol. 81; ISSN 1050-2947; ISSN PLRAAN
• Country of Publication: United States
• Language: English

Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
ALKALI METALS
BEAMS
CESIUM
CONFIGURATION
ELEMENTS
FLUIDS
GASES
LASERS
LINE WIDTHS
METALS
OPACITY
OPTICAL PROPERTIES
OPTICAL PUMPING
PHYSICAL PROPERTIES
PUMPING
RESONANCE
SPECTRA
TEMPERATURE RANGE
TEMPERATURE RANGE 0273-0400 K
VAPORS