Calculation Example: The bits per second (BPS) that can be transmitted through a multimode fiber cable is calculated by multiplying the bandwidth (in MHz) by 1,000,000. This gives the maximum theoretical data transmission capacity of the fiber. This. Structured modules from fiber basics to 400G coherent. In-depth coverage of DWDM, OTN, coherent optics, network design, and more — written by field engineers. Fiber is preferred. Fibers commonly used in optical communication are single mode and GI. Optical Fiber Characteristics and Applications Optical signal rate attenuation as it passes through quartz fiber varies depending on a. Canada produces 40% of the worlds optoelectronic products (Nortel, JDS Uniphase, Quebec Photonic Cluster. Few Mb/s The Last Mile ? 155 or 622 Mbps downstream, 155 upstream.