The design of large separating angle ultracompact wavelength division demultiplexer based on photonic crystal ring resonators

The design of large separating angle ultracompact wavelength division demultiplexer based on photonic crystal ring resonators
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基于光子晶体环形谐振腔的大分离角超紧凑波分解复用器设计

DOI:
10.1016/j.optcom.2014.05.056
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发表时间:
2014-11
影响因子:
2.4
通讯作者:
Huang Yong-Zhen
Huang Yong-Zhen
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Liao Qing-Hua;Fan Hong-Ming;Chen Shu-Wen;Wang Tong-Biao;Yu Tian-Bao;Huang Yong-Zhen

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利用二维光子晶体中波导与环形谐振腔的耦合特性,设计了一种新型的大分离角超紧凑波分复用器,并进行了仿真。采用时域有限差分法对环形谐振器位于输入波导同侧或异侧的波分复用器的传输特性进行了数值研究。结果表明,这种柔性结构可以获得良好的波长选择性能、高的透过率、大的分离角和高的输出通道效率。
The paper presents the design and simulation of a new and large separating angle ultracompact wavelength division demultiplexer based on the coupling characteristics between the waveguide and ring resonators in two dimensional photonic crystals. The transmission properties of the wavelength division demultiplexers, which ring resonators are both located on the same or different sides of input waveguide, have been numerically studied using the finite difference time domain method. It is shown that a good wavelength selection performance, a high transmittance, a large separating angle and high efficiency of the output channels may be obtained in this flexible structure.
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