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Extraordinary transmission through gain-assisted silicon-based nanohole arrays at telecommunication regime

机译：在电信领域通过增益辅助的硅基纳米孔阵列实现非凡传输

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摘要

After discovery of extraordinary transmission (EOT) subwavelength hole arrays structures patterned on a metal film have generated wide interest as they offer high optical transmission and strong localized electric near-field intensities. However, the large ohmic losses exhibited by SPs in the optical regime represent a fundamental limitation that reduces drastically the practical applicability of EOT properties. Furthermore, not compatible with silicon platform make it difficult for application purposes. As a possible solution to this fundamental problem, gain medium have been introduced to compensate the loss created by metallic film. But the most important yet challenging requirements for gain material are to be silicon compatible and working at telecommunication regime. The aim of this paper is to theoretically study optical amplification of EOT properties in periodic hole arrays incorporating optically pumped gain media. The gain media was selected Erbium/Ytterbium(Er/Yb) silicate that is silicon compatible with photoluminescence peak at telecommunication regime. Use of Er~(3+) ions has the advantages of proven, stable, and low-noise operation at the technologically important 1.54 m region. To excite the active material a laser with a maximum power of 372 mW at the wavelength of 1480 nm is applied. Geometrical parameters was obtained by solving the surface plasmon dispersion relation on periodic hole arrays. The condition for lossless propagation was obtained analytically. Simulation results shows that for lossless propagation we will need higher gain value. By considering higher gain values the absorption was approached to zero 30% transmission enhancements was observed at telecommunication wavelength.
机译：在发现异常透射（EOT）亚波长孔阵列之后，在金属膜上构图的结构引起了广泛的兴趣，因为它们具有高的光学透射率和强大的局部电近场强度。但是，SP在光学状态下表现出的大欧姆损耗代表了一个基本的限制，它极大地降低了EOT特性的实际适用性。此外，与硅平台不兼容使得难以实现应用目的。作为解决这一基本问题的可能方法，已经引入了增益介质来补偿金属膜产生的损耗。但是，对增益材料最重要但又具有挑战性的要求是与硅兼容并在电信体制下工作。本文的目的是从理论上研究结合了光泵浦增益介质的周期孔阵列中EOT特性的光学放大。选择的增益介质是硅//（Er / Yb）硅酸盐，该硅与电信领域的光致发光峰兼容。在技​​术上重要的1.54 m区域，使用Er〜（3+）离子具有经验证的，稳定的且低噪声的优点。为了激发活性材料，使用波长为1480 nm的最大功率为372 mW的激光。通过求解周期孔阵列上的表面等离激元色散关系来获得几何参数。通过分析获得无损传播的条件。仿真结果表明，要实现无损传播，我们将需要更高的增益值。通过考虑较高的增益值，吸收率接近零，在电信波长处观察到了30％的传输增强。

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  • 来源
    《Plasmonics》|2014年|92780G.1-92780G.7|共7页
  • 会议地点 Beijing(CN)
  • 作者

    Mehdi Afshari Bavil; Qingzhong Deng; Zhiping Zhou; Linfei Gao; Rui Ye;

  • 作者单位

    State Key Laboratory of Advanced Optical Communication Systems and Networks, School of Electronics Engineering and Computer Science, Peking University, Beijing, China 100871;

    State Key Laboratory of Advanced Optical Communication Systems and Networks, School of Electronics Engineering and Computer Science, Peking University, Beijing, China 100871;

    State Key Laboratory of Advanced Optical Communication Systems and Networks, School of Electronics Engineering and Computer Science, Peking University, Beijing, China 100871;

    State Key Laboratory of Advanced Optical Communication Systems and Networks, School of Electronics Engineering and Computer Science, Peking University, Beijing, China 100871;

    State Key Laboratory of Advanced Optical Communication Systems and Networks, School of Electronics Engineering and Computer Science, Peking University, Beijing, China 100871;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Plasmonics; Gain media; Rare-earth-doped materials; All-optical devices;

    机译：等离子获得媒体；稀土掺杂材料；全光设备;

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