Design of high-bandwidth oneand two-dimensional photonic bandgap dielectric structures at grazing incidence of light

J. Fekete, Z. Várallyay, R. Szipócs

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

We propose one-dimensional photonic bandgap (PB) dielectric structures to be used at grazing incidence in order to obtain an extended bandgap exhibiting considerably reduced reflection loss and dispersion compared to similar structures used at a normal incidence of light. The well-known quarter-wave condition is applied for the design in this specific case, resulting in resonance-free reflection bands without drops in reflection versus wavelength function and a monotonous variation of the group delay dispersion versus wavelength function, which are important issues in femtosecond pulse laser applications. Based on these results we extend our studies to two-dimensional PB structures and provide guidelines to the design of leaking mode-free hollow-core Bragg PB fibers providing anomalous dispersion over most of the bandgap.

Original languageEnglish
Pages (from-to)5330-5336
Number of pages7
JournalApplied Optics
Volume47
Issue number29
DOIs
Publication statusPublished - Oct 10 2008

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grazing incidence
Photonics
Energy gap
photonics
bandwidth
Bandwidth
Photonic bandgap fibers
Laser applications
Wavelength
Group delay
Ultrashort pulses
laser applications
wavelengths
hollow
incidence
fibers
pulses

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Design of high-bandwidth oneand two-dimensional photonic bandgap dielectric structures at grazing incidence of light. / Fekete, J.; Várallyay, Z.; Szipócs, R.

In: Applied Optics, Vol. 47, No. 29, 10.10.2008, p. 5330-5336.

Research output: Contribution to journalArticle

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