Experimental excitation and characterization of cladding modes in photonic crystal fiber
- Experimental excitation and characterization of cladding modes in photonic crystal fiber
- 임선도; 박현철; 황인각; 이상배; 김병윤
- Fiber optics; Fiber characterization; Gratings; Acousto-optical devices; Photonic crystal fiber
- Issue Date
- Optics express
- VOL 18, NO 3, 1833-1840
- We extend the previous theoretical study on the effect of outer
silica cladding to the analysis on real field profiles in a practical PCF. Clear
field profiles for the first higher-order cladding modes are presented and
discussed. The observed mode fields are reproduced by numerical
calculations, and it turns out that they correspond to LP16 mode groups.
Optical properties of the observed modes such as lobe direction and
polarization are also investigated. The results of this study will be useful in
the design of the PCF-based optical devices utilizing cladding mode
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