@article{oai:repository.dl.itc.u-tokyo.ac.jp:00020727,
 author = {Fujii, Yoichi and Muro, Hideo},
 issue = {1},
 journal = {生産研究},
 month = {Jan},
 pages = {23--26},
 title = {研究速報 : An Optical Modulator Using Kerr Effect in Optical Fiber Directional Coupler},
 volume = {32},
 year = {1980}
}