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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 27, Iss. 1 — Jan. 1, 2010
  • pp: 51–58

Design of photonic bandgap fibers by topology optimization

Maria B. Dühring, Ole Sigmund, and Thomas Feurer  »View Author Affiliations


JOSA B, Vol. 27, Issue 1, pp. 51-58 (2010)
http://dx.doi.org/10.1364/JOSAB.27.000051


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Abstract

A method based on topology optimization is presented to design the cross section of hollow-core photonic bandgap fibers for minimizing energy loss by material absorption. The optical problem is modeled by the time-harmonic wave equation and solved with the finite element program Comsol Multiphysics. The optimization is based on continuous material interpolation functions between the refractive indices and is carried out by the method of moving asymptotes. An example illustrates the performance of the method where air and silica are redistributed around the core so that the overlap between the magnetic field distribution and the lossy silica material is reduced and the energy flow is increased 375% in the core. Simplified designs inspired from optimized geometry are presented, which will be easier to fabricate. The energy flow is increased up to almost 300% for these cases.

© 2009 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.5295) Fiber optics and optical communications : Photonic crystal fibers

ToC Category:
Optical Design and Fabrication

History
Original Manuscript: August 3, 2009
Manuscript Accepted: September 17, 2009
Published: December 17, 2009

Citation
Maria B. Dühring, Ole Sigmund, and Thomas Feurer, "Design of photonic bandgap fibers by topology optimization," J. Opt. Soc. Am. B 27, 51-58 (2010)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-27-1-51

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