作者: Takafumi Terahara , Masahiro Yuki , Norifumi Shukunami
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摘要: A communication system including: a transmission apparatus configured to modulate first light by using signal be transferred and second having frequency different from of the so as generate optical signal, third fourth polarization-multiplex transmit polarization-multiplexed in which are polarization-multiplexed, each being polarized; measuring measure powers included transmitted apparatus.