2018•Optical Fiber Communication ConferenceRequires access

A 34Gbaud Linear Transimpedance Amplifier with Automatic Gain Control for 200Gb/s DP-16QAM Optical Coherent Receivers

Mostafa Gamal Ahmed, Tam N. Huynh, Christopher Williams, Yong Wang, Rahul Shringarpure, Reza Yousefi, Jose Roman, Noam Ophir, Alexander V. Rylyakov

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Abstract

A 34Gbaud TIA achieves 1.5% THD at 1mAppd input, 20pA/sqrt(Hz) input referred noise density, output amplitude of up to 1Vppd and maintains 27GHz bandwidth over 43dB of transimpedance gain dynamic range, enabling a 200Gb/s dual-polarization 16QAM coherent receiver operation.

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Key concepts: Transimpedance amplifier, Automatic gain control, Dynamic range, Quadrature amplitude modulation, Bandwidth (computing), Physics, Total harmonic distortion, Electronic engineering