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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 19 — Oct. 1, 2012
  • pp: 4059–4061

Nonlinear optical filter with ultranarrow bandwidth approaching the natural linewidth

Yanfei Wang, Shengnan Zhang, Dongying Wang, Zhiming Tao, Yelong Hong, and Jingbiao Chen  »View Author Affiliations


Optics Letters, Vol. 37, Issue 19, pp. 4059-4061 (2012)
http://dx.doi.org/10.1364/OL.37.004059


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Abstract

We demonstrate a nonlinear optical filter with ultranarrow bandwidth in cesium vapor. The optical filter operates on the 6S1/27P3/2 transition at 455 nm. The single peak transmission at the 6S1/2, F=47P3/2, F=5 transition is 9.7% with a bandwidth of 6.2 MHz, whereas at the 6S1/2, F=37P3/2, F=2, 3 (cross-over) transition is 6.1% with a bandwidth of 3.9 MHz. The bandwidth approaching the natural linewidth is improved at least two orders of magnitude compared with conventional Faraday anomalous dispersion optical filters. This technique can also be applied to other alkali atoms.

© 2012 Optical Society of America

OCIS Codes
(120.2440) Instrumentation, measurement, and metrology : Filters
(230.2240) Optical devices : Faraday effect
(300.6460) Spectroscopy : Spectroscopy, saturation

ToC Category:
Optical Devices

History
Original Manuscript: July 26, 2012
Revised Manuscript: August 25, 2012
Manuscript Accepted: August 25, 2012
Published: September 24, 2012

Citation
Yanfei Wang, Shengnan Zhang, Dongying Wang, Zhiming Tao, Yelong Hong, and Jingbiao Chen, "Nonlinear optical filter with ultranarrow bandwidth approaching the natural linewidth," Opt. Lett. 37, 4059-4061 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-19-4059

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