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Optics Letters

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  • Editor: Anthony J. Campillo
  • Vol. 30, Iss. 24 — Dec. 15, 2005
  • pp: 3272–3274

Experimental reconstruction of a long-period grating from its core-to-core transmission spectrum

Amir Rosenthal, Moshe Horowitz, Stephan Lange, and Christian Shäffer  »View Author Affiliations


Optics Letters, Vol. 30, Issue 24, pp. 3272-3274 (2005)
http://dx.doi.org/10.1364/OL.30.003272


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Abstract

We demonstrate, for the first time to our knowledge, reconstruction of the structure of a long-period grating from its measured core-to-core transmission spectrum intensity. The reconstruction is obtained by writing an auxiliary grating in cascade to the interrogated grating. Our reconstruction technique is based on using the Hilbert transform and a phase-retrieval algorithm. Using our method, we have reconstructed the structure of a uniform long-period grating with a 47% coupling efficiency.

© 2005 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(290.3200) Scattering : Inverse scattering

ToC Category:
Fiber Optics and Optical Communications

Citation
Amir Rosenthal, Moshe Horowitz, Stephan Lange, and Christian Shäffer, "Experimental reconstruction of a long-period grating from its core-to-core transmission spectrum," Opt. Lett. 30, 3272-3274 (2005)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-30-24-3272


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References

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