INDEX 535
direct sequence, 388
spectral, 390
energy enhancement factor, 421, 434
energy-band diagram, 81
envelope detector, 489, 498
epitaxial growth, 86, 102
equalization technique, 287, 288
equalizing filter,seefilter
erbium-doped fiber amplifiers,seeEDFA
error probability,seebit-error rate
Ethernet, 187
Euler–Lagrange equation, 308
evanescentwave, 299
excess noise factor, 159
excited-state absorption, 253
extinction ratio, 168, 355
eye closure, 311, 363
eye diagram, 153, 176, 287, 311
Fabry–Perot cavity, 94, 140, 148, 417
Fabry–Perot interferometer, 214, 216, 232,
340
Faraday effect, 120
fast axis, 36
FDDI, 188
FDM,seemultiplexing, WDM systems
feedback
cavity, 94
distributed, 100
electrical, 374
negative, 150
optical, 102, 120, 154, 213
reflection, 213, 384, 506
feedback resistor, 150
feedback-induced chaos, 214
feedback-induced RIN enhancement, 214
Fermi level, 79, 81
Fermi–Dirac distribution, 79
fiber amplifiers, 250
distributed-gain, 260
erbium-doped,seeEDFA
system applications of, 261–272
fiber cables, 70
fiber coupler, 346, 351, 376
fiber dispersion,seedispersion
fiber grating,seegrating, 411
fiber gratings
long-period, 258
fiber lasers
dual-frequency, 418
mode-locked, 362, 380, 417
fiber loss,seeloss
fiber modes, 31–37
classification of, 33
effective index of, 33
eigenvalue equation for, 32
field distribution of, 35
fundamental, 35
hybrid, 33
propagation constant of, 33
spot size of, 36
transverse-electric, 33
transverse-magnetic, 33
fiber nonlinearity,seenonlinear effects
fiber-detector coupling, 154
fiber-loop mirror, 411
fiber-optic systems,seelightwavesystems
fibers
bandwidth of, 53
birefringence of, 35
chalcogenide, 58
depressed-cladding, 68, 289
design of, 67
dispersion-compensating, 288–289, 313,
315, 434
dispersion-decreasing, 42, 302, 411,
417, 427–429, 463
dispersion-flattened, 41, 466
dispersion-shifted, 41, 67, 68, 191, 199,
269, 312, 369, 372, 411, 457,
503
dry, 7, 332
dual-core, 299
elliptical-core, 289
fabrication of, 68
fluoride, 58, 259
geometrical-optics description of, 23
graded-index, 26–28, 190, 192, 195
loss of, 55–59
low-PMD, 45
modes of,seefiber modes
multimode, 24–28, 190, 202
negative-slope, 312
nonlinear effects in, 59–67
nonzero-dispersion-shifted, 374
parabolic-index, 26
plastic, 28, 203
polarization-maintaining, 36, 44, 236,
448, 503
polycrystalline, 58