23 October 2015 Mode characteristics of few-mode optical fibers with assistant cores
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Abstract
The mode characteristics of few-mode step-index optical fibers composed of a center core and a few assistant cores are investigated. Each fourfold mode in the optical fiber can be split into two twofold modes, avoiding strong mode coupling during the transmission process. In addition, two-mode operation in the fiber with a wide wavelength range of 1.42 to 1.9  μm is demonstrated numerically. We also investigated the coupling characteristics of the two-core configuration that can effectively separate the LP01 and LP11 modes.
© 2015 Society of Photo-Optical Instrumentation Engineers (SPIE)
Ming-Yang Chen, Jin Wei, Li-Jun Chang, Yong Sheng, Nai-Fei Ren, "Mode characteristics of few-mode optical fibers with assistant cores," Optical Engineering 54(10), 106107 (23 October 2015). https://doi.org/10.1117/1.OE.54.10.106107 . Submission:
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