Waveguiding properties of photonic crystal fiber

The out-of plane propagating waves in glass-air-hole periodical photonic crystal demonstrate the band gaps when its effective index is less than unity. This leads to guiding of high-order modes of index-guiding photonic crystal fiber below their cut-off due to reflection from the periodical cladding...

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Bibliographic Details
Main Authors: Mazhirina, Y.A., Melnikov, L.A.
Format: Conference Proceeding
Language:English
Subjects:
Cutoff frequency
finite element calculation
gap
Microstructure
Optical propagation
Optical reflection
Optical waveguides
Photonic band gap
photonic crystal
Photonic crystal fibers
Photonic crystals
Physics
plane wave method
Transmission line matrix methods
wave propagation
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Summary:The out-of plane propagating waves in glass-air-hole periodical photonic crystal demonstrate the band gaps when its effective index is less than unity. This leads to guiding of high-order modes of index-guiding photonic crystal fiber below their cut-off due to reflection from the periodical cladding at the band gap frequencies. These guiding phenomena were investigated using plane-wave calculation of band gap diagram of periodical cladding, and dispersion curves of eigenmodes of photonic crystal fiber. Finite-element calculations of field patterns in the photonic crystal fiber demonstrate these guiding phenomena.
ISSN:2162-7339
DOI:10.1109/ICTON.2009.5185287