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Bias control of nested Mach-Zehnder modulators for the generation of optical QAM signals
Bias control of nested Mach-Zehnder modulators for the generation of optical QAM signals
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机译:嵌套Mach-Zehnder调制器的偏置控制,用于生成光学QAM信号
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摘要
Disclosed are bias control methods for Mach-Zehnder modulators for the generation of optical QAM signals while ensuring correct I/Q polarity of the generated optical QAM signal. One exemplary method involves temporarily offsetting I and Q biases from ideal transmission null bias points while another illustrative method temporarily makes I and Q data streams identical.
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