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ZTE Communications ›› 2012, Vol. 10 ›› Issue (1): 45-49.

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Compensating for Nonlinear Effects in Coherent-Detection Optical Transmission Systems

Fan Zhang   

  1. State Key Laboratory of Advanced Optical Communication Systems & Networks, Peking University, Beijing 100871, P.R.China
  • Received:2011-12-04 Online:2012-03-25 Published:2012-03-25
  • About author:Fan Zhang (fzhang@pku.edu.cn) received his PhD degree in electromagnetic fields and microwave technology from Beijing University of Posts and Telecommunications in 2002. From 2002 to 2004, he was a senior research associate at City University, Hong Kong. From 2004 to 2006, he was a Humboldt Research Fellow at Fachgebiet Hochfrequenztechnik, Technische Universit?t, Berlin. Since May 2006, he has been an associate professor at the School of Electronics Engineering and Computer Science, Peking University. His current research interests include long-haul optical transmission and photonic networking technologies, especially coherent optical communication and digital signal processing. He has published more than sixty academic articles in peer-reviewed international journals. Dr. Zhang is a senior member of IEEE and a member of the Optical Society of America.

Compensating for Nonlinear Effects in Coherent-Detection Optical Transmission Systems

Fan Zhang   

  1. State Key Laboratory of Advanced Optical Communication Systems & Networks, Peking University, Beijing 100871, P.R.China
  • 作者简介:Fan Zhang (fzhang@pku.edu.cn) received his PhD degree in electromagnetic fields and microwave technology from Beijing University of Posts and Telecommunications in 2002. From 2002 to 2004, he was a senior research associate at City University, Hong Kong. From 2004 to 2006, he was a Humboldt Research Fellow at Fachgebiet Hochfrequenztechnik, Technische Universit?t, Berlin. Since May 2006, he has been an associate professor at the School of Electronics Engineering and Computer Science, Peking University. His current research interests include long-haul optical transmission and photonic networking technologies, especially coherent optical communication and digital signal processing. He has published more than sixty academic articles in peer-reviewed international journals. Dr. Zhang is a senior member of IEEE and a member of the Optical Society of America.

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Abstract: Fiber nonlinearity is one of the most important limiters of capacity in coherent optical communications. In this paper, we review two nonlinear compensation methods: digital backward propagation (BP) and nonlinear electrical equalizer (NLEE) based on the time-domain Volterra series. These compensation algorithms are implemented in a single-channel 50 Gb/s coherent optical single-carrier frequency-division multiplexed (CO-SCFDM) system transmitting over 10 × 80 km of standard single-mode fiber (SSMF).

Key words: coherent optical communication, fiber nonlinearity, digital signal processing

摘要： Fiber nonlinearity is one of the most important limiters of capacity in coherent optical communications. In this paper, we review two nonlinear compensation methods: digital backward propagation (BP) and nonlinear electrical equalizer (NLEE) based on the time-domain Volterra series. These compensation algorithms are implemented in a single-channel 50 Gb/s coherent optical single-carrier frequency-division multiplexed (CO-SCFDM) system transmitting over 10 × 80 km of standard single-mode fiber (SSMF).

关键词: coherent optical communication, fiber nonlinearity, digital signal processing