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首页> 外文期刊>Optics Communications: A Journal Devoted to the Rapid Publication of Short Contributions in the Field of Optics and Interaction of Light with Matter >Suppressing 1.06-mu m spontaneous emission of neodymium ions using a novel tellurite all-solid photonic bandgap fiber
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Suppressing 1.06-mu m spontaneous emission of neodymium ions using a novel tellurite all-solid photonic bandgap fiber

机译:使用新型碲化物全固体光子带隙纤维抑制1.06亩的钕离子发射

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摘要

In order to take advantage of the 1.3-mu m emission of neodymium (Nd3+) ions for many practical applications, we propose a tellurite all-solid photonic bandgap fiber (ASPBGF) to filter out the competing emission at 1.06 mu m which is most prominent in the emission spectrum of Nd3+ ion. A novel Nd3+-doped tellurite ASPBGF is fabricated by using our developed tellurite glasses which have high compatibility of thermal properties and their refractive index difference is 0.096 at 1320 nm. The fiber is designed with 4 layers of high-index rods to have low confinement loss. The measured transmission spectrum of a 2.2-cm-long section of the fabricated fiber exhibits high transmission bands near 0.75 and 1.33 mu m (about -20 dB and -19 dB) and a low transmission band in the vicinity of 1.06 mu m which is about -27 dB. By using our fabricated Nd3+-doped tellurite ASPBGF, it is demonstrated for the first time that the 1.06-mu m emission peak due to the F-4(3/2) - I-4(11/2) transition of Nd3+ ions is greatly suppressed about 12 times as compared to that obtained by using a bulk samples with the same doping concentration. (C) 2018 Elsevier B.V. All rights reserved.
机译:为了利用许多实际应用的钕(ND3 +)离子的1.3-mu m米(Nd3 +)离子的排放,我们提出了一种碲化岩全固体光子带隙纤维(aspbgf),以滤除1.06 mu m的竞争排放,这是最突出的在Nd3 +离子的发射光谱中。通过使用我们开发的碲酸盐玻璃制造了一种新型ND3 +掺杂的碲酸咖啡骨架,其具有高相容性的热性能和它们的折射率差异为0.096,在1320nm处。纤维设计有4层的高折射率杆,以具有低限制损失。制造光纤的2.2-cm长段的测量透射光谱显示出近0.75和1.33μm(约-20dB和-19dB)的高透射带,并且在1.06 mu m附近的低传输带约-27 dB。通过使用我们的制造的ND3 + - 掺杂的碲酸架APBGF,首次证明了由于F-4(3/2) - &gt引起的1.06亩m米排放峰值。与通过使用具有相同掺杂浓度的散装样品获得的相比,I-4(11/2)的转变大约是大约12次。 (c)2018年elestvier b.v.保留所有权利。

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