Abstract
In recent years, all-solid photonic bandgap fibers (AS-PBFs) have attracted great attentions since they can be applied to many devices such as tunable filters, optical modulators, fiber lasers, amplifiers and sensors [1]. The AS-PBF is related to an optical fiber whose cladding consists of an arrangement of isolated high-index rods in a low-index background [2]. The fiber core of an AS-PBF locates in the center of the high-index rod structure and is formed by the low-index material instead of an air hole in conventional photonic bandgap fibers with holey structures. AS-PBFs have discrete bands of high transmission corresponding to the bandgap of the fiber cladding [3]. In this work, we demonstrate a new tellurite AS-PBF with double cladding layers and three rings of high-index rods to reduce the confinement loss and numerically study the evolution of transmission spectra which is caused by the optical Kerr effect (OKE).
© 2017 IEEE
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