Optical Fiber CommunicationsThe 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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Page 264
... InGaAs , and 1.0 for Ge avalanche photodiodes . 6.5 STRUCTURES FOR InGaAs APDs To improve the performance of InGaAs APDs , various complex device architec- tures have been devised . One widely used structure is the separate - absorption ...
... InGaAs , and 1.0 for Ge avalanche photodiodes . 6.5 STRUCTURES FOR InGaAs APDs To improve the performance of InGaAs APDs , various complex device architec- tures have been devised . One widely used structure is the separate - absorption ...
Page 265
... InGaAs absorption region where electron - hole pairs are generated . Following this is an InP layer that is used for the multiplication region because high electric fields needed for the gain mechanism can exist in InP without tunneling ...
... InGaAs absorption region where electron - hole pairs are generated . Following this is an InP layer that is used for the multiplication region because high electric fields needed for the gain mechanism can exist in InP without tunneling ...
Page 334
... InGaAs APD Attenuation limit with InGaAs pin 50 100 200 500 Data rate ( Mb / s ) 1000 2000 5000 FIGURE 8-6 Transmission - distance limits as a function of data rate for 1550 - nm laser diodes having spectral widths o an InGaAs APD , and ...
... InGaAs APD Attenuation limit with InGaAs pin 50 100 200 500 Data rate ( Mb / s ) 1000 2000 5000 FIGURE 8-6 Transmission - distance limits as a function of data rate for 1550 - nm laser diodes having spectral widths o an InGaAs APD , and ...
Contents
Overview of Optical Fiber Communications | 1 |
Structures Waveguiding and Fabrication | 25 |
Structures Waveguiding and Fabrication | 26 |
Copyright | |
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analog attenuation avalanche photodiode band bandwidth cable carrier channel cladding communication components connector core coupler coupling data rate dB/km density detector device dispersion EDFA effects electric emission emitting energy equation example factor fiber end fiber optic FIGURE frequency function gain given by Eq glass graded-index fiber IEEE InGaAs input laser diode lasing layer length Lett light Lightwave Tech loss material Mb/s modal modal noise modes modulation multimode fibers multiplexing n₁ node numerical aperture operating optical amplifiers optical fiber optical output optical power optical signal optical source output power parameter percent photodetector photon pin photodiode power level propagation pulse quantum efficiency Quantum Electron radius range receiver refractive index region semiconductor shown in Fig signal-to-noise ratio single-mode fibers spectral width splice star coupler step-index fiber temperature transmission transmitted values voltage wave wavelength