Reduction of four-wave mixing induced penalty in unequally spaced WDM transmission system by using optical DPSK

1996 ◽  
Vol 32 (23) ◽  
pp. 2118 ◽  
Author(s):  
K. Yonenaga ◽  
S. Aisawa ◽  
N. Takachio ◽  
K. Iwashita
Keyword(s):  
Four Wave Mixing ◽  
Transmission System ◽  
Wave Mixing ◽  
Unequally Spaced ◽  
Wdm Transmission

Effect of fibre dispersion on four-wave mixing in multichannel coherent optical transmission system

1992 ◽  
Vol 28 (11) ◽  
pp. 989-991 ◽  
Author(s):  
G.R. Walker ◽  
D.M. Spirit ◽  
P.J. Chidgey ◽  
E.G. Bryant ◽  
C.R. Batchellor
Keyword(s):  
Optical Transmission ◽  
Four Wave Mixing ◽  
Transmission System ◽  
Wave Mixing

scholarly journals Modified Unequally Spaced Channels Wavelength Division Multiplexing System

2008 ◽  
pp. 68-78
Keyword(s):  
Wavelength Division Multiplexing ◽  
Bit Error Rate ◽  
Error Rate ◽  
Four Wave Mixing ◽  
The Other ◽  
Wave Mixing ◽  
Wavelength Division ◽  
Unequally Spaced ◽  
Frequency Spacing ◽  
Active Channels

The channels contributed in creating new pulse during the four-wave mixing (FWM) process are a subject of two features: the first is the fact that all channels are not working with probability %100 , but with p probability. Second, the bits transmitted are not all "1". Therefore, the equation of power generated using these features should be corrected. On the other hand, the use of equally spaced channels wavelength divisionmultiplexing (ESC WDM) system cause an increase in the number of new components generated that interfere with the active channels and increase the bit error rate. In order to reduce these interferences, we have provided an unequally spaced channels wavelength division-multiplexing (USC WDM) system composed of several sets. Each set consists of only four channels, which locations have been selected to cause no interferences between them. Neighboring sets are separated by a frequency spacing which should be large enough to reduce the interferences between the sets, andsmall enough to increase the total number of channels of the system.

Four-wave mixing penalties in long-haul WDM transmission links

1999 ◽  
Vol 11 (7) ◽  
pp. 821-823 ◽  
Author(s):  
E.A. Golovchenko ◽  
V.J. Mazurczyk ◽  
D.G. Duff ◽  
S.M. Abbott
Keyword(s):  
Four Wave Mixing ◽  
Wave Mixing ◽  
Wdm Transmission
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