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Phase-preserving Multilevel Amplitude Regeneration in Conjugate Nonlinear-Optical Loop Mirror Pair

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We propose a conjugate nonlinear-optical loop mirror pair scheme (Conj-NOLM) for phase-preserving multilevel amplitude regeneration, by cascading two identical NOLMs with an intermediate phase conjugation stage. Q2-factor improvements of 2.42dB are achieved for 16-QAM signals.

© 2018 The Author(s)

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