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Design of narrowband Bragg spectral filters in subwavelength grating metamaterial waveguides

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985882%3A_____%2F18%3A00490292" target="_blank" >RIV/67985882:_____/18:00490292 - isvavai.cz</a>

  • Alternative codes found

    RIV/68407700:21340/18:00319119

  • Result on the web

    <a href="http://dx.doi.org/10.1364/OE.26.000179" target="_blank" >http://dx.doi.org/10.1364/OE.26.000179</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1364/OE.26.000179" target="_blank" >10.1364/OE.26.000179</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Design of narrowband Bragg spectral filters in subwavelength grating metamaterial waveguides

  • Original language description

    Properties of reflection and transmission spectral filters based on Bragg gratings in subwavelength grating (SWG) metamaterial waveguides on silicon-on-insulator platform have been analyzed using proprietary 2D and 3D simulation tools based on Fourier modal method and the coupled-mode theory. We also demonstrate that the coupled Bloch mode theory can be advantageously applied to design of Bragg gratings in SWG waveguides. By combining different techniques, including judiciously positioning silicon loading segments within the evanescent field of the SWG waveguide and making use of its dispersion properties, it is possible to attain sub-nanometer spectral bandwidths for both reflection and transmission filters in the wavelength range of 1550 nm while keeping minimum structural features of the filters as large as 100 nm. Numerical simulations have also shown that a few nanometer jitter in the size and position of Si segments is well tolerated in our filter designs

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    20201 - Electrical and electronic engineering

Result continuities

  • Project

    <a href="/en/project/GA16-00329S" target="_blank" >GA16-00329S: Novel effects and functionalities in subwavelength guided-wave photonic structures</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2018

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Optics Express

  • ISSN

    1094-4087

  • e-ISSN

  • Volume of the periodical

    26

  • Issue of the periodical within the volume

    1

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    16

  • Pages from-to

    179-194

  • UT code for WoS article

    000419549600016

  • EID of the result in the Scopus database

    2-s2.0-85040175941