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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 27, Iss. 15 — Aug. 1, 2002
  • pp: 1354–1356

Controlling light by light with three-level atoms inside an optical cavity

Hai Wang, David Goorskey, and Min Xiao  »View Author Affiliations


Optics Letters, Vol. 27, Issue 15, pp. 1354-1356 (2002)
http://dx.doi.org/10.1364/OL.27.001354


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Abstract

We present our experimental demonstration of controlling the cavity output intensity of one laser beam with the intensity of another laser beam in a composite system consisting of a collection of three-level ⋀-type rubidium atoms and an optical ring cavity. When the intensity of the controlling beam is modulated with a square waveform, the cavity output power switches on and off (with a distinction ratio better than 20:1) between two steady-state values. This all-optical switching effect is the result of combined absorption and enhanced Kerr nonlinearity near resonance in such three-level atomic systems because of atomic coherence and can find applications in optical communication and optical computation.

© 2002 Optical Society of America

OCIS Codes
(030.1670) Coherence and statistical optics : Coherent optical effects
(160.4330) Materials : Nonlinear optical materials
(190.1450) Nonlinear optics : Bistability
(190.3270) Nonlinear optics : Kerr effect
(230.1150) Optical devices : All-optical devices

Citation
Hai Wang, David Goorskey, and Min Xiao, "Controlling light by light with three-level atoms inside an optical cavity," Opt. Lett. 27, 1354-1356 (2002)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-27-15-1354

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