Title :
High linearity downconverting analog photonic link based on digital signal post-compensation
Author :
Zheng Niu ; Yu Hongchen ; Minghua Chen ; Pengxiao Li ; Hongwei Chen ; Shizhong Xie
Author_Institution :
Dept. of Electron. Eng., Tsinghua Univ., Beijing, China
Abstract :
A downconverting analog photonic link based on DP-QPSK MZM is proposed. The nonlinear distortions components are significantly suppressed using DSP-based post-compensation method. Finally, an SFDR of 123.3 dB-Hz2/3 is achieved, which is improved by 21.5dB.
Keywords :
Mach-Zehnder interferometers; compensation; digital signal processing chips; interference suppression; nonlinear distortion; optical communication; optical links; quadrature phase shift keying; signal processing; DP-QPSK MZM; DSP; Mach-Zehnder modulator; SFDR; digital signal post-compensation; digital signal processing; distortion suppression; dual-polarization quadrature phase shift keying; high linearity downconverting analog photonic link; nonlinear distortion component; spurious-free dynamic range; Nonlinear optics; Optical attenuators; Optical distortion; Optical filters; Optical modulation; Optical polarization; Photonics;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2014
Conference_Location :
San Francisco, CA
Print_ISBN :
978-1-5575-2994-7
DOI :
10.1364/OFC.2014.W2A.37