Recent progress in an ‘ultra-high speed, ultra-large capacity, ultra-long distance’ optical transmission system (Invited Paper)

Abstract

From 2010 to 2015, the Wuhan Institute of Posts and Telecommunications (WRI) had undertaken the national key basic research development program project 'ultra-high speed, ultra-large capacity, ultra-long distance (3U) optical transmission based research' as the leading agency. Under the support of the project, we have obtained a series of achievements in scientific research and engineering. Some of the results have been widely used in commercial systems. This Review will make a preliminary summary of the achievements during the past 5 years.

High-Speed Optical Fiber Communication in China

“…Wuhan Research Institute of Posts and Telecommunications has made a series of progress in ultrahigh speed, ultralarge capacity, and ultralong distance optical transmission experiments. − In terms of ultrahigh speed, in 2010, with a combination of low-density parity check code (LDPC) and high-order modulation technology, they realized a single-channel, 1 Tb/s, no-error transmission over a 1040 km standard single-mode fiber with high spectral efficiency. In terms of ultralarge capacity, in 2012 and 2013, PDM-OFDM-16QAM modulation technology was employed to perform C-band 30.7 Tb/s 80 km and C + L-band 67.44 Tb/s 160 km standard single-mode optical fiber transmission system experiments, respectively.…”

“…Author: Since the mid-1970s, optical fiber communication technology has advanced by leaps and bounds. The development speed of optical fiber communication is astonishing. − ,− No communication method can be compared with it. Optical fiber communication has become the best technology choice for all communication systems. , Compared with satellite communication systems, optical fiber communication has revolutionized global communication in terms of transmission capacity, reliability, and quality .…”