This Optical Spectral Efficiency Calculator helps you calculate and analyze the spectral efficiency of optical transmission systems. With each generation, they deliver higher data rates, such as 100 Gbps, 400 Gbps, and soon 800 Gbps. The common challenge for all optical modules is to fit this increased. A new method of transmission efficiency and uniformity measurement for optical fiber image transmission component (OFITC) in visible band is proposed. The transmitting interface inputs electrical signals of a certain bit rate, which are then processed by internal driver chips. Analyze different modulation formats and channel configurations. Symbol Rate (GBaud) Symbol rate in Gigabaud (Gbaud).