Broad Omnidirectional Reflector Design for Optical Telecommunications Band Using Genetic Algorithm
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概要
- 論文の詳細を見る
A novel application of genetic algorithm (GA) in designing omnidirectional reflectors with broad reflection bandwidth is reported in this paper. The key is to search the best combination style for different one-dimensional (1D) quasi-periodic PCs to form a heterostructure. Optimization based on Thus–Morse (TM) sequence has proved the effectiveness of GA. Finally, a high reflector described as [$\text{air}\mid(HLLH)^{5}(HLLHLHHL)^{3}(HL)^{7}\mid\text{air}$, where $n_{L} = 1.46$, $n_{H} = 4.6$, $d_{L} = 0.220\lambda_{0}/n_{L}$, and $d_{H} = 0.158\lambda_{0}/n_{L}$] is achieved to provide a perfect omnidirectional reflection (ODR) bandwidth of 100% in optical telecommunications band (800–2000 nm).
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2008-08-25
著者
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Jiang Liyong
Department of Physics, Nanjing University of Science and Technology, Nanjing 210094, China
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Zheng Gaige
Department of Physics, Nanjing University of Science and Technology, Nanjing 210094, China
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Shi Linxing
Department of Physics, Nanjing University of Science and Technology, Nanjing 210094, China
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Li Xiangyin
Department of Physics, Nanjing University of Science and Technology, Nanjing 210094, China