Title :
Optical DP-high order-QAM transmission system for high-speed short links utilizing copropagating twin local lights
Author :
Hiroto Kawakami;Yutaka Miyamoto;Takayuki Kobayashi
Author_Institution :
NTT Network Innovation laboratories, NTT Corporation, Yokosuka-shi Kanagawa Japan
Abstract :
A novel optical high order quadrature amplitude modulation (QAM) transmission system for high-speed short links is described. Dual-polarization (DP) QAM and twin local lights are generated from one light source in the system, and these lightwaves are simultaneously transmitted via standard single mode fiber. The receiver can be constructed simply because it does not require a coherent light source under wavelength control. The system enables a 3.1 Gbaud DP-16-QAM signal to be successfully demodulated after 80-km transmission without using an optical dispersion compensator. It also achieves high tolerance against phase noise in the signal light source.
Keywords :
"Optical polarization","Light sources","Optical amplifiers","Optical pulses","Optical filters","Optical interferometry","Quadrature amplitude modulation"
Conference_Titel :
Communications (APCC), 2015 21st Asia-Pacific Conference on
DOI :
10.1109/APCC.2015.7412601
