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Optics Letters

Optics Letters


  • Vol. 27, Iss. 12 — Jun. 15, 2002
  • pp: 1004–1006

Polarization control method for ultraviolet writing of advanced Bragg gratings

Jesper Bo Jensen, Nikolai Plougmann, Hans-Jürgen Deyerl, Poul Varming, Jörg Hübner, and Martin Kristensen  »View Author Affiliations

Optics Letters, Vol. 27, Issue 12, pp. 1004-1006 (2002)

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We present a flexible and simple method for UV writing of Bragg gratings with advanced apodization profiles including discrete phase shifts. The method is based on a p phase shift between the refractive-index modulation profiles induced by s and p polarization of UV light. By changing the ratio of UV intensity in the two polarizations we are able to control the modulation strength and to induce phase shifts while keeping a constant effective refractive index throughout the Bragg grating. We demonstrate strong UV-written Bragg gratings with Gaussian or sinc apodizations with spectral shapes, in good agreement with theoretical predictions.

© 2002 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(050.5080) Diffraction and gratings : Phase shift
(220.1230) Optical design and fabrication : Apodization
(230.1480) Optical devices : Bragg reflectors

Jesper Bo Jensen, Nikolai Plougmann, Hans-Jürgen Deyerl, Poul Varming, Jörg Hübner, and Martin Kristensen, "Polarization control method for ultraviolet writing of advanced Bragg gratings," Opt. Lett. 27, 1004-1006 (2002)

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