| 摘要 |
The device of the present invention provides a signal modulation system. The system has a first station communicatively connected to an optical fiber. The first station has a transmitter to produce an unmodulated light carrier signal through the optical fiber and a receiver to convert a modulated light signal received from the optical fiber to a demodulated electrical signal for output. The system also has a second station communicatively connected to the optical fiber. The second station has an amplifier and power source which receive input carrier modulating signals, a modulation circuit, and an electro-optical reflector constructed and arranged to modulate reflection of the carrier signal emitted from the transmitter to the receiver via the optical fiber.
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