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Persans – 1/31/02 Fiber Optics in Communications and Computing Peter Persans Physics Dept., SC1C10, persap.

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Presentation on theme: "Persans – 1/31/02 Fiber Optics in Communications and Computing Peter Persans Physics Dept., SC1C10, persap."— Presentation transcript:

1 Persans – 1/31/02 Fiber Optics in Communications and Computing Peter Persans Physics Dept., SC1C10, persap

2 Persans – 1/31/02 Trans-Atlantic Communications - 1866 10 words/min

3 Persans – 1/31/02 Trans-Atlantic Communications: 1998 10 13 words/min

4 Persans – 1/31/02 A prototypical fiber system

5 Persans – 1/31/02 Elements of a communications system signal source transceiver (light source + modulator) multiplexer optical fiber amplifier optical fiber demultiplexer transceiver (receiver) electronics

6 Persans – 1/31/02 Limits of the capability of fibers mode dispersion material dispersion waveguide dispersion

7 Persans – 1/31/02 Fundamental limits of fibers: attentuation

8 Persans – 1/31/02 Fundamental Limits Limit on the amount of power we can put into one end of a fiber (non-linear loss) Limits on the separation of two digital bits from one another (dispersion) Limits on the loss in a fiber with distance Limits on the detection of a signal from a background.

9 Persans – 1/31/02 Fundamental limits


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