| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical add/drop switch in which the functions of a wavelength multiplexing/demultiplexing part and an optical switch part are integrated, the switch is inexpensive, wavelength extensibility is high, the switch is miniaturized and the number of components is decreased. <P>SOLUTION: The present invention realizes the providing of the add/drop switch in which the functions of a wavelength multiplexing/demultiplexing part and an optical switch part are integrated, the switch is inexpensive, wavelength extensibility is high, the switch is miniaturized and the number of components is decreased. <P>COPYRIGHT: (C)2007,JPO&INPIT |
