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首页> 外文期刊>Optical fiber technology >Polarization-maintaining photonic crystal fiber for dispersion compensation over E + S + C + L + U wavelength bands
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Polarization-maintaining photonic crystal fiber for dispersion compensation over E + S + C + L + U wavelength bands

机译：用于在E + S + C + L + U波段上进行色散补偿的保偏光子晶体光纤

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摘要

In this paper, a polarization-maintaining photonic crystal fiber (PCF) is numerically investigated for dispersion compensation. The core is formed by six inserted small air holes and the inner cladding consists of two lines of enlarged air holes adjacent to the core, which are both used to improve the birefringence. The proposed PCF can compensate for the dispersion and dispersion slope of a standard single mode fiber (SMF) at 1.55 mu m wavelength. The K value matches with that of SMF at 1.55 mu m wavelength very well. Moreover, the zero-dispersion wavelength (ZDW) is at 1.30 mu m wavelength, which also agrees with that of SMF. The designed PCF can realize an effective compensated dispersion range of -0.5 to + 0.1 psm/km from 1.32 mu m to over 1.7 mu m wavelength which covers the E + S + C + L + U bands. The confinement loss is ultra-low to 6 x 10(-4) dB/km at 1.55 wavelength. The influence of geometric parameters on the birefringence and the dispersion characteristic is investigated. The sensitivity of the fiber dispersion and the effective compensated dispersion to +/- 2% and +/- 5% variation in the optimum parameters is studied for practical fabrication.
机译：本文对保偏光子晶体光纤（PCF）进行了数值研究，以进行色散补偿。纤芯由六个插入的小气孔形成，内包层由与纤芯相邻的两行扩大的气孔组成，它们均用于改善双折射。提出的PCF可以补偿标准单模光纤（SMF）在1.55μm波长处的色散和色散斜率。 K值与1.55μm波长的SMF值非常匹配。另外，零色散波长（ZDW）为1.30μm波长，也与SMF一致。设计的PCF可以实现从1.32μm到超过1.7μm波长的-0.5到+ 0.1 ps / nm / km的有效补偿色散范围，覆盖E + S + C + L + U波段。在1.55波长下，限制损耗非常低，仅为6 x 10（-4）dB / km。研究了几何参数对双折射和色散特性的影响。为了实际制造，研究了光纤色散和有效补偿色散对最佳参数中+/- 2％和+/- 5％变化的敏感性。

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