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

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

2018

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

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.

Keywords:

Transimpedance amplifier
Quadrature amplitude modulation
Dynamic range
Total harmonic distortion
Noise spectral density
Automatic gain control
Bit error rate
Engineering
Bandwidth (signal processing)
Electronic engineering

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