| 摘要 |
<p>A fiber optic data transmission system includes a transmitter having a laser emitting a continuous wave light, the transmitter including a phase modulator phase modulating the continuous wave light and a control circuit controlling the phase modulator as a function of an electronic input data stream having a time delay, so as to create a phase-modulated optical signal. An optical fiber transmits the phase-modulated optical signal. A receiver includes an interferometer for receiving the phase-modulated optical signal, the interferometer having a first arm and a second arm, the second arm being longer than the first arm. The interferometer thus has an interferometric delay corresponding to the time delay and a phase difference imparted by the first and second arms. The control circuit can impart a phase to represent a binary zero or one as a function of the phase difference. <IMAGE></p> |
