最下方是简易的OOK,如果改用正交相移键控(QPSK),则可将OOK符码率的传输速率提高一倍,因为QPSK可编码二位符号。藉由使用极化复用(PDM)技术,传输速率还可再提高一倍。QPSK加PDM可让使用者在相同时钟速率下,获得2×2=4倍的数据传输速率。最后,利用脉冲整形滤波器进一步缩小占用带宽后,用户可以100Gb/s的速率,透过50G...
Differential quadrature phase shift keying (DQPSK)explicit SAC labelimplicit SAC labelintensity modulation (IM)polarization division multiplexed (PDM-DQPSK)In this paper, we present the performance analysis of 100 Gb/s polarization division multiplexed (PDM) differential quadrature phase shift keying (...
information of the IP data package so as to obtain a path of PDM-DQPSK/SAC optical signals for sending; a receiving end carries out modulation on the PDM-DQPSK optical signals and the SAC label signals respectively to obtain the header information and the payload information of the IP data ...
Performance analysis of 112 Gb/s×4-channel WDM PDM-DQPSK optical label switching system with spectral amplitude code labelsOptical label switching (OLS)polarization division multiplexed (PDM)spectral amplitude code (SAC)wavelength division multiplexing (WDM)...
L. Buhl, "Pdm dqpsk sili- con receiver with integrated monitor and minimum number of controls," IEEE Photon. Tech. Lett. (Submitted).C. R. Doerr, N. K. Fontaine, L. L. Buhl, "PDM-DQPSK silicon receiver with integrated monitor and minimum number of controls", Photonics Technology ...
information of the IP data package so as to obtain a path of PDM-DQPSK/SAC optical signals for sending; a receiving end carries out modulation on the PDM-DQPSK optical signals and the SAC label signals respectively to obtain the header information and the payload information of the IP data ...
本发明一种PDMDQPSK/SAC光标记交换的方法,发送端将承载了IP数据包的净荷信息的PDMDQPSK光信号与承载了IP数据包的头信息的SAC标记信号进行耦合得到一路PDMDQPSK/SAC光信号进行发送;接收端将PDMDQPSK光信号与SAC标记信号分别解调得到IP数据包的头信息与净荷信息;由于PDMDQPSK信号本身的特点,可以使得系统传输速率提高,且...
We present the performance analysis of 112 Gb/s脳4 wavelength division multiplexing (WDM) 100 GHz channel spacing polarization division multiplexed-differential quadrature phase shift keying (PDM-DQPSK) optical label switching system with frequency swept coherent detected spectral amplitude code labels. ...
A 1.792 Tbps RoF-based PDM-DQPSK DWDM system for high-capacity long-haul 5G and beyond optical networkdoi:10.1016/j.ijleo.2022.169858Radio over fiberDifferential quadrature phase-shift keyingCarrier suppressed non-return-to-zeroDense wavelength division multiplexing...
PDM-DQPSKdirect detectioncoherent detectionThe OSNR margin improvements due to FEC limit elevation in 112Gb/s PDM-DQPSK systems under two different receiver schemes, direct detection and coherent detection with digital signal processing (DSP), are analyzed. FEC limit elevation provides more benefit to...