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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 24 — Aug. 20, 2009
  • pp: 4794–4800

Split step solution in the iteration of the beam propagation method for analyzing Bragg gratings

Hong Shu  »View Author Affiliations


Applied Optics, Vol. 48, Issue 24, pp. 4794-4800 (2009)
http://dx.doi.org/10.1364/AO.48.004794


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Abstract

The split step method is applied to the iteration of the beam propagation method for analyzing the reflection of a laser beam by a volume Bragg grating. The application of the split step method is made possible by a way to properly treat the grating coupling terms in the paraxial wave equations. This method is demonstrated to be accurate in addition to efficient and robust. After this modification, the iteration of the beam propagation method is suitable for analyzing finite beams in volume Bragg gratings, for which the grating strength might be large. It is also suitable for analyzing Bragg gratings with nonuniform grating structures.

© 2009 Optical Society of America

OCIS Codes
(000.3860) General : Mathematical methods in physics
(000.4430) General : Numerical approximation and analysis
(050.7330) Diffraction and gratings : Volume gratings
(090.7330) Holography : Volume gratings
(050.1755) Diffraction and gratings : Computational electromagnetic methods

ToC Category:
Diffraction and Gratings

History
Original Manuscript: March 20, 2009
Revised Manuscript: July 20, 2009
Manuscript Accepted: July 21, 2009
Published: August 18, 2009

Citation
Hong Shu, "Split step solution in the iteration of the beam propagation method for analyzing Bragg gratings," Appl. Opt. 48, 4794-4800 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-24-4794

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