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Zhengying Lou on Muck Rack

Zhengying Lou

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Ultra-high extinction ratio optical modulation via interference-engineered mach-zehnder modulator

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By Jiajie Xu, Mohamed-Slim Alouini, Ziyuan Shi, Zhengying Lou
| Nature Verified
Abstract Achieving an ultra-high dynamic extinction ratio (ER) in optical modulators is crucial for enhancing signal fidelity, dynamic range, and energy efficiency in optical communication systems. However, conventional Mach-Zehnder modulator (MZM) suffers from limited ER due to fabrication-induced imbalances, thermal drift, and imperfect Y-branch splitters, making it difficult to maintain high contrast without complex calibration or temperature control.
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