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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 29, Iss. 10 — Oct. 1, 2012
  • pp: 2891–2896

Coherent control of optical bistability in an open Λ-type three-level atomic system

Zhen Wang, Ai-Xi Chen, Yanfeng Bai, Wen-Xing Yang, and Ray-Kuang Lee  »View Author Affiliations


JOSA B, Vol. 29, Issue 10, pp. 2891-2896 (2012)
http://dx.doi.org/10.1364/JOSAB.29.002891


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Abstract

We analyze the hybrid absorptive-dispersive optical bistability (OB) behavior in an open Λ-type three-level atomic system by using a microwave field to drive the hyperfine transition between two lower states, along with the consideration of incoherent pumping and spontaneously generated coherence. Different from the closed system, we show that the bistable threshold intensity and related hysteresis loop can be controlled by adjusting the ratio between atomic injection and exit rates. More interestingly, the appearance and disappearance of OB can be transformed mutually by varying the relative phase of three coherent fields under the condition of a strong spontaneously generated coherence. The manipulation of OB behavior through the intensity of the microwave field and the atomic cooperation parameter is also analyzed.

© 2012 Optical Society of America

OCIS Codes
(160.4330) Materials : Nonlinear optical materials
(190.1450) Nonlinear optics : Bistability

ToC Category:
Nonlinear Optics

History
Original Manuscript: June 13, 2012
Revised Manuscript: August 17, 2012
Manuscript Accepted: August 27, 2012
Published: September 24, 2012

Citation
Zhen Wang, Ai-Xi Chen, Yanfeng Bai, Wen-Xing Yang, and Ray-Kuang Lee, "Coherent control of optical bistability in an open Λ-type three-level atomic system," J. Opt. Soc. Am. B 29, 2891-2896 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-10-2891

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