Circular waveguides with Kronig–Penney morphology as photonic band‐gap filters | Zendy

Gómez Álvaro | Zendy; Solano Miguel A. | Zendy; Lakhtakia Akhlesh | Zendy; Vegas Angel | Zendy

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Circular waveguides with Kronig–Penney morphology as photonic band‐gap filters

Author(s) -

Gómez Álvaro,

Solano Miguel A.,

Lakhtakia Akhlesh,

Vegas Angel

Publication year - 2003

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.10906

Subject(s) - microwave , ideal (ethics) , photonic crystal , optics , scattering , physics , band gap , photonics , waveguide , scattering parameters , optoelectronics , materials science , quantum mechanics , philosophy , epistemology

Guided wave propagation in a circular waveguide filled with dielectric materials in the Kronig–Penney morphology is theoretically examined. Allowed and forbidden frequency bands in these ideal photonic band‐gap (PBG) structures are obtained for the TE z and TM z propagation modes by invoking the Bloch theorem. Results show the many engineering possibilities for designing electromagnetic filters for ideal structures. Filtering by real PBG structures with a finite number of unit cells is also studied by using the scattering matrix technique. As the number of unit cells in a real filter increases, its transmission characteristics converge to those of its ideal analog in the forbidden frequency bands. © 2003 Wiley Periodicals, Inc. Microwave Opt Technol Lett 37: 316–321, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.10906

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