Matched Cladding Single Mode Optical Fiber Optimized at 850 nm Wavelength

A single-mode optical fiber with quadratic curve index profile in core layer is introduced. The profile is optimized at 850 nm wavelength. The 850 nm bandwidth of this fiber can reach up to 2056.35 MHz?km. This fiber can be used at 850 nm, 1310 nm, and 1550 nm wavelength.