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首页> 外文期刊>Journal of Optics >Inscription of waveguides and power splitters in borosilicate glass using ultrashort laser pulses
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Inscription of waveguides and power splitters in borosilicate glass using ultrashort laser pulses

机译：使用超短激光脉冲题写硼硅酸盐玻璃中的波导和功率分配器

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摘要

We report on the use of a femtosecond fibre laser (1030 nm) to inscribe structures like waveguides and splitters inside borosilicate (BK7) glass. Inscription of two- and three-dimensional splitters (1 × 2, 1 × 4, 1 × 8) is accomplished by programing a translation stage so as to achieve smooth bends. We carry out optical characterization of these laser-written structures by measuring both spectral transmission and propagation loss. Single mode guidance with propagation loss of 0.65 dB/cm is measured at 1560 nm for straight waveguides inscribed at low incident energy of 450 nJ. The spectral transmission of our splitters in the optical communication window, 1300-1600 nm, compares very favorably with conventional optical fibre splitters. We find that the splitting ratio as a function of wavelength is significantly more constant over a wide wavelength range, 1200-1600 nm, than optical fibre splitters. We also present results on characterization for splitting ratio and insertion loss at 1550 nm.
机译：我们报告了使用飞秒光纤激光器（1030 nm）来刻写硼硅酸盐（BK7）玻璃内的波导和分光器之类的结构。二维和三维分离器（1×2，1×4，1×8）的题字是通过编写平移台以实现平滑弯曲来完成的。我们通过测量光谱透射率和传播损耗来对这些激光写入的结构进行光学表征。对于以450nJ的低入射能量刻划的直波导，在1560nm处测量了传播损耗为0.65dB / cm的单模导引。我们的分路器在1300-1600 nm的光通信窗口中的光谱传输比传统的光纤分路器好得多。我们发现，在1200-1600 nm的宽波长范围内，作为波长函数的分光比要比光纤分路器更加稳定。我们还介绍了1550 nm处的分光比和插入损耗的表征结果。

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  • 来源
    《Journal of Optics》 |2017年第3期|304-310|共7页
  • 作者

    Mittholiya Kshitij; Anshad P. K.; Mallik Arun Kumar; Bhardwaj Siddharth; Hegde A.; Bhatnagar Anuj K.; Bernard Rodney; Dharmadhikari Jayashree A.; Mathur Deepak; Dharmadhikari Aditya K.;

  • 作者单位

    Photonics Division, Society for Applied Microwave Electronics Engineering and Research, IIT Campus, Powai, Mumbai, India;

    Photonics Division, Society for Applied Microwave Electronics Engineering and Research, IIT Campus, Powai, Mumbai, India;

    Photonics Division, Society for Applied Microwave Electronics Engineering and Research, IIT Campus, Powai, Mumbai, India;

    Photonics Division, Society for Applied Microwave Electronics Engineering and Research, IIT Campus, Powai, Mumbai, India;

    Photonics Division, Society for Applied Microwave Electronics Engineering and Research, IIT Campus, Powai, Mumbai, India;

    Photonics Division, Society for Applied Microwave Electronics Engineering and Research, IIT Campus, Powai, Mumbai, India;

    Tata Institute of Fundamental Research, 1 Homi Bhabha Road, Mumbai, India;

    Centre for Atomic and Molecular Physics, Manipal University, Manipal, India;

    Tata Institute of Fundamental Research, 1 Homi Bhabha Road, Mumbai, India;

    Tata Institute of Fundamental Research, 1 Homi Bhabha Road, Mumbai, India;

  • 收录信息 美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Femtosecond phenomenon; Integrated optics and devices; Optical fabrication; Waveguides;

    机译：飞秒现象;集成光学器件光学制造;波导管;

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