Telecommunications card for secure optical data transmission and installation method

  • US 20020105702A1
  • Filed: 02/02/2001
  • Published: 08/08/2002
  • Est. Priority Date: 02/02/2001
  • Status: Active Grant
First Claim
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1. A card for transmitting data over at least one optical fiber, the card comprising:

  • a transmitter having at least one light source and a phase modulator for phase modulating light from the source so as to create phase-modulated optical signals in the light as a function of an input electronic data stream; and

    a receiver having an interferometer for reading received optical signals.

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