State;
Key;
Laboratory;
of;
Applied;
Optics,;
Changchun;
Institute;
of;
Optics,;
Fine;
Mechanics;
and;
Physics,;
Chinese;
Academy;
of;
Sciences,;
Changchun;
130033,;
China;
Graduate;
University;
of;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100049,;
China;
自由空间; 选择开关; 波分复用光网络; 波长; 光纤准直器; 膜过滤技术; 薄膜滤波器; WSS;