Efficient optimization of hollow-core photonic crystal fiber design using the finite-element method

Ronald Holzlöhner, Sven Burger, John Roberts, Jan Pomplun

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We employ a finite-element (FE) solver with adaptive grid refinement to model hollow-core photonic crystal fibers (HC-PCFs) whose core is formed from 19 omitted cladding unit cells. We optimize the complete fiber geometry for minimal field intensity at material/air interfaces, which indicates low loss and high damage threshold, using multidimensional optimization. The optimal design shows a 99.8 % power fraction within the air and an overlap with a Gaussian mode of 96.9 %.
Original languageEnglish
JournalJournal of the European Optical Society - Rapid Publications
Pages (from-to)06011
Publication statusPublished - 2006

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