Title :
100 × 120-Gb/s PDM 64-QAM transmission over 160 km using linewidth-tolerant pilotless digital coherent detection
Author :
Sano, Akihide ; Kobayashi, Takayuki ; Matsuura, Akihiko ; Yamamoto, Shuto ; Yamanaka, Shogo ; Yoshida, Eiji ; Miyamoto, Yutaka ; Matsui, Munehiro ; Mizoguchi, Masato ; Mizuno, Takayuki
Author_Institution :
NTT Network Innovation Labs., NTT Corp., Yokosuka, Japan
Abstract :
We demonstrate 11.2-Tb/s transmission of 12.5-GHz spaced 120-Gb/s PDM 64-QAM signals over 160 km by using a digital coherent receiver with pilotless demodulation algorithms. The spectral efficiency of 9.0 b/s/Hz is the highest reported for 100-Gb/s/ch-class transmission.
Keywords :
demodulation; quadrature amplitude modulation; QAM transmission; bit rate 11.2 Tbit/s; bit rate 120 Gbit/s; digital coherent receiver; frequency 12.5 GHz; linewidth-tolerant pilotless digital coherent detection; pilotless demodulation algorithm; Adaptive optics; Optical filters; Optical noise; Optical polarization; Optical receivers; Signal to noise ratio; Wavelength division multiplexing;
Conference_Titel :
Optical Communication (ECOC), 2010 36th European Conference and Exhibition on
Conference_Location :
Torino
Print_ISBN :
978-1-4244-8536-9
Electronic_ISBN :
978-1-4244-8534-5
DOI :
10.1109/ECOC.2010.5621382
