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Created March 1, 2016

Bias control of an IQ-modulator is an essential part of the coherent optical communication system.  The need for stable and accurate modulator bias control has become even more prominent with the next generation 400G systems employing 16QAM modulation formats due to its sensitivity to optimum bias control. The IQABC enables full automatic control of an IQ-modulator’s DC biases and is modulation format independent, paving the way towards simple generation of any conceivable optical signal.

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