Optical fiber communications
The third edition of this popular text and reference book presents the fundamental principles for understanding and applying optical fiber technology to sophisticated modern telecommunication systems.
Optical-fiber-based telecommunication networks have become a major information-transmission-system, with high capacity links encircling the globe in both terrestrial and undersea installations. Numerous passive and active optical devices within these links perform complex transmission and networking functions in the optical domain, such as signal amplification, restoration, routing, and switching. Along with the need to understand the functions of these devices comes the necessity to measure both component and network performance, and to model and stimulate the complex behavior of reliable high-capacity networks.
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where Vs is the breakdown voltage at which M goes to infinity; the parameter n
varies between 2.5 and 7, depending on the material; and V = Va — ImRm, with
Va being the reverse-bias voltage applied to the detector, IM is the multiplied ...
Symbol Parameter Value w Active area width Sum d Active area thickness 0.5 nm
L Amplifier length 200 nm r Confinement factor 0.3 r, Time constant 1 ns a Gain
coefficient 1 x 10-20m2 vi Group velocity 2.0 x 108m/s Threshold density 1.0 x ...
Assume the optical bandwidth is equal to the spontaneous emission bandwidth (
30-nm spectral width) and use the following parameter values: (b) To see the
effect of using a narrowband optical filter at the receiver, let Avopl = 1.25 x 10" Hz
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Overview of Optical Fiber Communications
Structures Waveguiding and Fabrication
Signal Degradation in Optical Fibers
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