Optical transmitter and optical transmission method

An optical transmitter includes a dummy optical source, a polarized wave beam coupler, and an auto gain control (AGC)-system amplifier. The dummy optical source outputs, out of an optical signal in which an optical path signal and an optical packet signal are mixed, a dummy signal having a wavelengt...

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Main Authors Sakata Tomoyuki, Matsunaga Koji, Toyozumi Tatsuya, Bato Koji, Kishida Tatsuro, Sakane Yuichiro, Kawasaki Wataru
Format Patent
LanguageEnglish
Published 05.09.2017
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MULTIPLEX COMMUNICATION
SELECTING
TRANSMISSION
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Abstract An optical transmitter includes a dummy optical source, a polarized wave beam coupler, and an auto gain control (AGC)-system amplifier. The dummy optical source outputs, out of an optical signal in which an optical path signal and an optical packet signal are mixed, a dummy signal having a wavelength identical to that of the optical packet signal. The polarized wave beam coupler multiplexes the dummy signal with the optical signal so that the dummy signal is orthogonal to the optical signal so as to output an output signal. The AGC-system amplifier inputs the output signal, and amplifies the output signal with a predetermined amplification factor corresponding to a power difference between input power and output power of an optical amplifier.
AbstractList An optical transmitter includes a dummy optical source, a polarized wave beam coupler, and an auto gain control (AGC)-system amplifier. The dummy optical source outputs, out of an optical signal in which an optical path signal and an optical packet signal are mixed, a dummy signal having a wavelength identical to that of the optical packet signal. The polarized wave beam coupler multiplexes the dummy signal with the optical signal so that the dummy signal is orthogonal to the optical signal so as to output an output signal. The AGC-system amplifier inputs the output signal, and amplifies the output signal with a predetermined amplification factor corresponding to a power difference between input power and output power of an optical amplifier.
Author Toyozumi Tatsuya
Bato Koji
Sakane Yuichiro
Kawasaki Wataru
Sakata Tomoyuki
Kishida Tatsuro
Matsunaga Koji
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Snippet An optical transmitter includes a dummy optical source, a polarized wave beam coupler, and an auto gain control (AGC)-system amplifier. The dummy optical...
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SubjectTerms ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MULTIPLEX COMMUNICATION
SELECTING
TRANSMISSION
Title Optical transmitter and optical transmission method
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