Title :
4 b/s/Hz spectrally efficient transmission for an 8 channel CSRZ modulated DWDM system
Author :
Vij, Robin ; Sharma, Neelam
Author_Institution :
Inst. of Eng. & Technol., Panjab Univ., Chandigarh, India
Abstract :
The core of the global telecommunication network consists of wavelength division multiplexed (WDM) optical transmission systems. WDM is the technology of choice as it allows for a high spectral efficiency. We propose an effective way to counter the nonlinearities like Four Wave Mixing and Cross Phase Modulation to achieve the spectral efficiency of 4 b/s/Hz using CSRZ modulation format. We use the concept of non-uniform channel spacing and non-uniform power assignment between adjacent channels of the WDM system. We have simulated an 8 channel DWDM lightwave system with bit rate of 100 Gb/s and channel spacing of 25 GHz.
Keywords :
channel spacing; multiwave mixing; phase modulation; wavelength division multiplexing; 8 channel CSRZ modulated DWDM lightwave system; WDM system; bit rate 100 Gbit/s; cross phase modulation; frequency 25 GHz; global telecommunication network; nonuniform channel spacing; nonuniform power assignment; spectrally efficient transmission; wave mixing; wavelength division multiplexed optical transmission system; Channel spacing; Modulation; Optical fiber communication; Optical fibers; Q-factor; Wavelength division multiplexing; Carrier-Suppressed Return-to-Zero (RZ) modulation format; Cross Phase Modulation (XPM); Four Wave Mixing (FWM); Non-umform power assignment; Non-uniform channel spacing; Post-DCF; Pre-DCF; Spectral efficiency;
Conference_Titel :
Computer and Communication Technology (ICCCT), 2013 4th International Conference on
Conference_Location :
Allahabad
Print_ISBN :
978-1-4799-1569-9
DOI :
10.1109/ICCCT.2013.6749622
