@article{weko_10410_1,
   author	 = "TOMIYASU,Masato and MORIMOTO,Keita and IGUCHI,Akito and TSUJI,Yasuhide",
   title	 = "A Study on Function-Expansion-Based Topology Optimization without Gray Area for Optimal Design of Photonic Devices",
   journal	 = "IEICE Transactions on Electronics",
   year 	 = "2020",
   volume	 = "103",
   number	 = "11",
   pages	 = "560--566"
}