supported by the National Natural Science Foundation of China(No.61107052);Tianjin Natural Science Foundation of China(No.11JCYBJC0010);Tianjin Youth Foundation of China(No.13JCQNJC01800)
In this paper,the RS-Turbo concatenated code is applied to coherent optical orthogonal frequency division multiplexing(CO-OFDM) system.RS(186,166,8) and Turbo code with code rate of 1/2 are employed for RS-Turbo conca...
supported by the National Natural Science Foundation of China(No.61107052);the Tianjin Natural Science Foundation of China(No.11JCYBJC0010);the Tianjin Youth Foundation of China(No.13JCQNJC01800)
A direct detection optical orthogonal frequency division multiplexing(DDO-OFDM)system using turbo codes is built,and the transmission performance comparison between coded system and uncoded system is analyzed.Three de...
supported by the National High Technology Research and Development Program(No.2013AA014200);the National Natural Science Foundation of China(No.61107052);the Natural Science Foundation of Tianjin(No.14JCYBJC16500);the Tianjin University's Science and Technology Development Fund Projects(No.2012)
An all-fiber sensor based on a cascaded optical fiber device is proposed and demonstrated, and its sensor head is composed of a core-offset Mach-Zehnder interferometer(MZI) and a long-period fiber grating(LPFG). In th...
supported by the National High Technology Research and Development Program of China(No.2013AA014200);the National Natural Science Foundation of China(No.61107052);the Natural Science Foundation of Tianjin in China(No.14JCYBJC16500);the Science and Technology Development Fund Project of Tianjin University(No.2012)
A microwave photonic filter(MPF) with variable coefficient is proposed and demonstrated, which is constructed by a multi-wavelength fiber laser and Mach-Zehnder interferometer(MZI). Through changing the slope characte...