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Suppression of IQ Modulation Error Based on Single-Sideband Modulation to Generate Ultra-high Order QAM Optical Signals

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Abstract

We propose single-sideband modulation scheme for generating ultra-high order QAM optical signals. It can suppress BER degradation due to IQ modulation imbalance, although the modulation bandwidth twice the conventional IQ modulation is required.

© 2017 Optical Society of America

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