Journal
PLOS ONE
Volume 17, Issue 8, Pages -Publisher
PUBLIC LIBRARY SCIENCE
DOI: 10.1371/journal.pone.0268908
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Funding
- Science and Technology Plan Research Project of Hubei Education Department [B2019156]
- Scientific Research Project of Hubei University of Science and Technology [BK2020171]
- Natural Science Foundation of Hubei Province of China [2021CFB418]
- Co-operative Education Reform Project Innovative Undertaking Together of the Education Ministry for China [201901033016]
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This study investigates the splitting and incorporation of optical fractal states in one-dimensional photonic quasi-crystals and finds that the fractal characteristics can be modulated by the incident angle of light. This research has potential applications in band-pass filters and reflectors.
We investigate the splitting and incorporation of optical fractal states in one-dimensional photonic quasi-crystals. The aperiodic crystals which are composed of two different dielectrics submit to Cantor sequence. Defects in Cantor crystals can greatly enhance the localization of electric field, which induces the optical fractal effect. The number of optical fractal states increases exponentially with the generation number of Cantor sequence. Moreover, the optical fractal characteristics depend on the incident angle of light, of which the fractal states may split/incorporate by modulating the value of incident angle. This study could be utilized for band-pass filters and reflectors.
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