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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 18 — Sep. 15, 2009
  • pp: 2796–2798

Optically controlled loss in an optical fiber

Efraín Mejía and Víctor Pinto  »View Author Affiliations


Optics Letters, Vol. 34, Issue 18, pp. 2796-2798 (2009)
http://dx.doi.org/10.1364/OL.34.002796


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Abstract

The use of upconversion to attenuate/modulate optical signals is proposed, and experimental results are presented. In this light controlling light approach, a 711.2 nm, 700 mW beam propagating in a Tm 3 + -doped fluorozirconate optical fiber was attenuated down to 150 mW by copropagating a 1117 nm beam. Further characterizations concerning time response of the transmittance revealed the limits and potential of the scheme. The maximum attenuation of a 45 cm fiber, 75%, was reached up to 400 Hz, and at least 37% modulation was measured at 770 Hz. Potential applications include Q switching of lasers and in-fiber light-controllable optical attenuation.

© 2009 Optical Society of America

OCIS Codes
(160.2290) Materials : Fiber materials
(160.5690) Materials : Rare-earth-doped materials

ToC Category:
Materials

History
Original Manuscript: June 8, 2009
Revised Manuscript: August 7, 2009
Manuscript Accepted: August 18, 2009
Published: September 10, 2009

Citation
Efraín Mejía and Víctor Pinto, "Optically controlled loss in an optical fiber," Opt. Lett. 34, 2796-2798 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-18-2796

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