Chinese Optics Letters, 2005, 3 (0s): 251, Published Online: Mar. 5, 2007
Study of optical gain from square-nested PCFs with impurities 
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060.2280 Fiber design and fabrication 230.0230 Optical devices 120.4570 Optical design of instruments 160.2290 Fiber materials
Abstract
Using numerical simulation method based on finite-difference time-domain (FDTD), we study the characteristics of the multiple-core photonic crystal fibers (PCFs) in which square-nested compound lattices (SNCLs) with several defect regions are introduced. We find that each line defect in the PCFs can serve as a channel in wavelength division multiplexing (WDM) communication systems. The crosstalk can be suppressed because there is a band gap among each channel in the PCFs. And PCF amplifiers are expected to be used in the super-dense WDM systems.
Zhenghua Li, Yuntuan Fang, Tinggen Shen, Min Zhu, Bingchuan Xie. Study of optical gain from square-nested PCFs with impurities[J]. Chinese Optics Letters, 2005, 3(0s): 251.
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