Verma Rupesh, Audhkhasi Romil, Thyagarajan Krishna, Banerjee Varsha
J Opt Soc Am A Opt Image Sci Vis. 2018 Mar 1;35(3):370-376. doi: 10.1364/JOSAA.35.000370.
Many of the present-day optical devices use photonic crystals. These are multilayers of dielectric media that control the reflection and transmission of light falling on them. In this paper, we study the optical properties of periodic, fractal, and aperiodic photonic crystals and compare them based on their attributes. Our calculations of the band reflectivity and degree of robustness reveal novel features, e.g., fractal photonic crystals are found to reflect the maximum amount of incident light. On the other hand, aperiodic photonic crystals have the largest immunity to disorder. We believe that such properties will be useful in a variety of applications in the field of optical communication.
当今许多光学设备都使用光子晶体。光子晶体是多层介电介质，可控制照射在其上的光的反射和透射。在本文中，我们研究了周期性、分形和非周期性光子晶体的光学特性，并根据它们的属性进行比较。我们对带反射率和稳健度的计算揭示了一些新特性，例如，发现分形光子晶体能反射最多的入射光。另一方面，非周期性光子晶体对无序具有最大的抗性。我们相信这些特性将在光通信领域的各种应用中发挥作用。
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