what is the significance of Chromatic Dispersion Power Penalty?
Chromatic dispersion causes the pulses of light (“bits”) on the fiber to stretch out in time and reduce in amplitude. This stretching, known as pulse broadening, can lead to a reduction in the signal-to-noise ratio (SNR), causing errors in data transmission. Pulse broadening can cause the signal for one bit to overlap with the signal for the next bit, a phenomenon known as Inter-Symbol Interference (ISI). This can also lead to errors in data transmission. High levels of chromatic dispersion can severely limit the fiber-link transmission distance, particularly in high-speed digital systems and analog video systems.
How to Calculate Power Penalty Arising from Chromatic Dispersion?
Power Penalty Arising from Chromatic Dispersion calculator uses Chromatic Dispersion Power Penalty in dB = -5*log10(1-(4*Bit Rate*Length of Optical Fiber*Chromatic Dispersion Coefficient*Free Spectral Range Wavelength)^2) to calculate the Chromatic Dispersion Power Penalty in dB, Power Penalty Arising from Chromatic Dispersion is a phenomenon that occurs in optical fiber communication systems due to chromatic dispersion. Chromatic dispersion is a property of optical fibers that causes different colors (or wavelengths) of light to travel at slightly different speeds. This can cause a broadening of optical pulses as they travel along the fiber. The power penalty arises because this pulse broadening can lead to a reduction in the amplitude of the pulses, which can degrade the signal-to-noise ratio (SNR) and cause errors in data transmission. This is particularly problematic in high-speed digital systems and analog video systems. Chromatic Dispersion Power Penalty in dB is denoted by Pcd symbol.
How to calculate Power Penalty Arising from Chromatic Dispersion using this online calculator? To use this online calculator for Power Penalty Arising from Chromatic Dispersion, enter Bit Rate (Bopt), Length of Optical Fiber (Lopt), Chromatic Dispersion Coefficient (Dcd) & Free Spectral Range Wavelength (FSR) and hit the calculate button. Here is how the Power Penalty Arising from Chromatic Dispersion calculation can be explained with given input values -> 0.939774 = -5*log10(1-(4*40000000*500*13.23*5.6E-13)^2).