Dual-mode fiber optic telecommunications system and method

  • US 20020101640A1
  • Filed: 01/29/2001
  • Published: 08/01/2002
  • Est. Priority Date: 01/29/2001
  • Status: Active Grant
First Claim
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1. An optical data transmitter comprising:

  • at least one light source;

    a phase modulator for phase modulating light from the light source; and

    a controller having an input for receiving an electronic data stream, the controller in a first mode controlling the phase modulator so as to create phase-modulated optical signals in the light as a function of the electronic data stream and the controller in a second alternate mode amplitude-modulating the light as a function of the electronic data stream.

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