In this paper we compare the performance of Backpropagation and CMA electronic compensation techniques in a NG-PON with QPSK modulation format and coherent detection to compensate the chromatic dispersion
in the optical fiber.
After filtering, we use a dispersion block that causes an expansion of the original signal in the time domain and moreover a phase shift is occurred due to the chromatic dispersion
Dispersion compensation modules (DCM) (also called dispersion compensation units-DCU) can be used for chromatic dispersion
compensation and system performance improvement in fiber optical transmission systems.
Since the boundary integral method takes into account all phase changes, it can also be used to calculate the chromatic dispersion
based on Equation (14).
5 Gb/s, at which point the chirping spectrum coupled with chromatic dispersion
of the fiber will limit performance.
In addition, the test demonstrated that the system could compensate automatically when adding chromatic dispersion
and polarization mode dispersion to actual transmission circuits, which could happen over a variety of networks.
(CD) has an important role on a quality of transmitted optical signal in high-speed fiber optic transmission systems.
Fortenberry, Enhanced wavelength resolution chromatic dispersion
measurements using fixed sideband technique, Optical Fiber Communication Conference OSA Technical Digest, Optical Society of America, Washington DC, 2000, TuG8, pp.
The N4391A offers measurement and compensation of the link's in-channel chromatic dispersion
and first-order polarization mode dispersion by analyzing the received signals, granting engineers deep insight into the root cause of constellation distortions beyond 32 Gbaud.
Lot 1 - An instrument for measuring the resistance of transformer windings and analysis of labor regulation switch, Lot 2 - An instrument for measuring the transmission ratio of the transformer, Lot 3 - An instrument for measuring low resistance, Lot 4 - An instrument for measuring the return pad and chromatic dispersion
in an optical fiber (optical reflectometer) and Lot 5 - a device for connecting optical fibers, all in accordance with the technical specifications set out in Annex 4 of the tender documents.
Important topics this year were dispersion measurements, both polarization dispersion and chromatic dispersion
, and nonlinear optical measurements.
Civcom's 100G DP-QPSK is equipped with an advanced Digital Signal Processing (DSP) unit that eliminates the need for optical compensation in chromatic dispersion
, and featuring the lowest power consumption in the optical market today.