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DEVICE FOR GENERATING BIT RATE VARIABLE OPTICAL PULSE SIGNAL, OPTICAL NETWORK COMMUNICATION SYSTEM, AND OPTICAL NETWORK COMMUNICATING METHOD
DEVICE FOR GENERATING BIT RATE VARIABLE OPTICAL PULSE SIGNAL, OPTICAL NETWORK COMMUNICATION SYSTEM, AND OPTICAL NETWORK COMMUNICATING METHOD
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机译:产生比特率可变的光脉冲信号的装置,光网络通信系统和光网络通信方法
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摘要
PROBLEM TO BE SOLVED: To require only one optical intensity modulator, and to eliminate the need of an optical amplifier.;SOLUTION: A device includes a clock signal generator 10, an optical pulse light source 28, a rectangular wave electrical signal generating part 40, and an optical intensity modulator 30. The clock signal generator outputs a clock signal 11 of a frequency corresponding to the maximum bit rate per channel. The optical pulse light source outputs an optical pulse train 29 of a repetition frequency equal to the frequency of the clock signal. The rectangular wave electrical signal generating part outputs a rectangular wave electrical signal 27 of a subbit rate corresponding to any frequency of divided frequencies of the clock signal. The optical intensity modulator outputs an optical pulse signal 31 of a subbit rate obtained by modulating the optical pulse train with the rectangular wave electrical signal as a bit rate variable optical pulse signal.;COPYRIGHT: (C)2010,JPO&INPIT
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