Publisher's Synopsis
Fiber-optic (FBG) internet commonly called fiber internet or simply "fiber," is a broadband connection that can reach speeds of up to 940 Megabits per second (Mbps), with low lag time. The technology uses a fiber-optic cable, which amazingly can send data as fast as about 70% of the speed of light.
When a light beam of a certain spectral width propagates through the fiber and reaches the Bragg grating, a very narrow spectral band (centered on the Bragg wavelength, λ Bragg ) is reflected, while the other spectral components pass through it. without undergoing modification, which allows them to be used as a very selective wavelength filter. The contrast of the refractive index variation, the modulation period, and the length of the grating, determine its transmission and reflection properties. Among the advantages of FBGs over other technologies are the "all-fiber" geometry, the low insertion loss, the high return loss, and fundamentally, the flexibility they offer to achieve desired spectral characteristics.
