Use of mode-coupled optical fiber in communications systems

Details Use of mode-coupled optical fiber in communications systems Use of mode-coupled optical fiber in communications systems

H - Electricity

04

B

H04B 10/12 (2006.01) H04B 10/152 (2006.01) H04B 10/18 (2006.01)

Patent

CA 2317381

Mode-coupled plastic or glass optical fibers are used in communications systems to carry optical signals between transmitters and receivers. In order to overcome the high attenuation characteristics of mode-coupled optical fibers, the launch power used to transmit signals over the optical links is higher than those typically used in comparable conventional communications systems that rely on standard single-mode or multimode glass optical fibers. In order to accommodate the larger launch power levels, the communications systems are designed with receivers having a larger dynamic range than those used in conventional communications systems. In addition, the mode-coupled optical fibers can have diameters on the order of 50-62.5 microns, or even larger, thereby enabling the use of relatively simple and inexpensive butt coupling between the fibers and other system components (e.g., transmitters and receivers).

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