Abstract
ABSTRACTWe propose an all-fibre one-way filter based on photonic crystal fibres (PCFs) with both ends of the air holes filled with liquid crystals. According to the resonant condition of the antiresonant reflecting optical wave-guide (ARROW) model, the transmission characteristics of the proposed photonic liquid crystal fibres (PLCFs) are directional. The transmission spectra can be tuned by changing the incident direction of the input light and the length of the empty PCF section. The shorter the length of the PLCFs, the more peaks in the transmission spectra. The all-fibre both-end-filled PLCFs can be applied to the design of one-way multiband filters.
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