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 20
... fibers the core material is generally glass which is surrounded by either a glass or a plastic cladding . Higher - loss plastic core fibers ... multimode classes . As the name implies , a single - mode fiber sustains only one mode of ...
... fibers the core material is generally glass which is surrounded by either a glass or a plastic cladding . Higher - loss plastic core fibers ... multimode classes . As the name implies , a single - mode fiber sustains only one mode of ...
Page 21
... Multimode graded - index fiber I 125 μη ( cladding ) 50 μπ ( core ) T Figure 2-9 Comparison of single - mode and multimode step - index and graded - index optical fibers . radii of multimode fibers make it easier to launch optical power ...
... Multimode graded - index fiber I 125 μη ( cladding ) 50 μπ ( core ) T Figure 2-9 Comparison of single - mode and multimode step - index and graded - index optical fibers . radii of multimode fibers make it easier to launch optical power ...
Page 107
... multimode laser even when the total optical output does not vary . Since the output pattern of a laser diode is ... fibers is generally larger than that of step - index multimode fibers , the speckle pattern will persist after much ...
... multimode laser even when the total optical output does not vary . Since the output pattern of a laser diode is ... fibers is generally larger than that of step - index multimode fibers , the speckle pattern will persist after much ...
Contents
Structures and Waveguiding | 12 |
Signal Degradation in Optical Fibers | 48 |
Optical Sources | 80 |
Copyright | |
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Common terms and phrases
absorption amplifier angle attenuation avalanche photodiode band gap bandwidth Bell Sys bias cable carrier Chap cladding coefficient communication systems components connector coupler coupling coupling loss data rate dB/km decibels density detector device distortion electric electromagnetic emission emitting energy equation fiber core fiber end fiber optic Figure frequency function given by Eq glass fibers graded-index fiber IEEE Trans input laser diodes layer Lett lifetime light source loss material dispersion measured method modal modulation multimode fibers n₁ n₂ numerical aperture operating optical output optical power optical signal optical source optical waveguide output power parameter percent photodetector photon pin photodiode preform propagation quantum efficiency radiation radius ratio receiver recombination refractive index refractive-index refractive-index profile semiconductor shown in Fig silica silicon single-mode spectral width splice star coupler step-index fiber surface T-coupler technique temperature thermal noise transmitter values voltage wave wavelength