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Autor:
Xie Hong-Yun, Wang Ren-Qing, Zhang Wan-rong, Shen Pei, You Yunxia, Chen Liang, Sun Bo-Tao, Xiao Ying
Publikováno v:
Journal of Semiconductors. 31:064006
A novel cascaded DFB laser, which consists of two serial gratings to provide selectable wavelengths, is presented and analyzed by the transfer matrix method. In this method, efficient facet reflectivity is derived from the transfer matrix built for e