Radio-frequency over fiber (RFoF) signals are usually analog. By intensity-modulating the laser, it's relatively easy to convert a GHz-wide analog signal from e

Radio-frequency over fiber (RFoF) signals are usually analog. By intensity-modulating the laser, it's relatively easy to convert a GHz-wide analog signal from electrical to optical and back. https://en.wikipedia.org/wiki/Radio_over_fiber https://en.wikipedia.org/wiki/Radio_over_fiber https://www.rp-photonics.com/radio_and_microwave_over_fiber.html https://www.rp-photonics.com/radio_and_microwave_over_fiber....