A multicore fiber uses nested clad layers with graded refractive indices to trap light within individual cores.
Chlorine-doped cores and fluorine-doped claddings with annular stress regions reduce residual stress and attenuation in Germanium-free fibers.
A chromatic dispersion compensating fiber uses buried inner claddings to manage optical index profiles.
Lightly doped germanium cores paired with heavily doped inner claddings reduce hydrogen-induced attenuation while preserving microbend resistance.
Segmented physical cladding containing a leakage reduction portion prevents resin coating combustion while maintaining low-loss transmission.
A dual-mesa tapered spot size converter transitions optical fields between waveguides with different cross-sectional areas.
A silica optical fiber uses periodic cladding diameter variations to expand scattered light spectral width.
High absolute chromatic dispersion separates wavelength constituents in broadband pulses, reducing noise and preventing photodetector saturation.
Annular multi-core fiber design suppresses crosstalk while enabling smaller core pitch and higher core density.