Page 564 - Fiber Optic Communications Fund
P. 564
Index 545
intra-channel cross-phase modulation (IXPM), principles, 139–40, 140, 142–3, 143, 158,
419, 454, 455, 463–6, 477 158–60, 160
intra-channel four-wave mixing (IFWM), 419, spectral efficiency, 392
454–7, 456–7, 463–6, 477 spectral width, 76
intrachannel impairments generally, 454 nonzero dispersion-shifted fibers (NZ-DSFs), 75,
inverse scattering transform (IST), 434 80
Kerr coefficient, 426, 428 NTWA (nearly traveling-wave amplifier), 269–70
Kerr effect, 419, 426, 439, 481 Nyquist filter (ideal), 308, 331
Kronecker delta function, 464 Nyquist pulse
linear Schrödinger equation, 460 partial response signals, 165–6, 166
Maxwell’s equations, 421–3 WDM systems, 393
Nyquist sampling theorem, 471, 509
Newton’s law, 420
numerical simulation, NLSE, 466–8, 466–71
output field envelope, 427 OFDM. See orthogonal frequency-division
peak nonlinear phase shift, 431–3 multiplexing (OFDM)
peak power, 432, 436 1-dimensional wave equation
percentage pre-compensation ratio, 467–8, 468 complex notation (analytic representation),
perturbation theory, 459, 486 16–17
phase matching, 450, 483–4 described, 12–15
phase mismatch, 449 laser output propagation, 14–15
light pulse propagation, 13–14
phase noise, 471–8
plane waves, 15–16
plane wave (forward-propagating), 424
OOK systems
polarization, 422–5
ASE noise, 319–22
propagation constant, 449
asynchronous detection, 351, 359–64, 360, 364,
pseudo-linear system, 454
368
pulse separation, 439
bit transmission, 362–3, 369–71
refractive index, 423, 424, 426
direct detection modulation scheme comparison,
relative permittivity, 423
379–81, 380
restoration force, 420
direct detection principles, 368, 368–71
self-phase modulation (SPM) (See self-phase
dispersion-induced limitations, 313–15, 313–4,
modulation (SPM))
466–7
soliton formation, 419, 433–6, 434–6
error probability, 355–6, 362–4, 364, 370–371,
stimulated Raman scattering (SRS), 247,
384–5
478–83, 479
fiber loss-induced limitations generally, 301–6,
strongly pulse-overlapped system, 454
302–5
susceptibility, 424–6 frequency components, 361–2
variance calculations, 463–6, 490–491 ISI in, 313–15, 314
WDM systems, 419, 437, 437–8 Marcum Q-function, 364, 370
nonlinear Schrödinger equation matched filter impulse response, 359
described, 428–9, 429 matched filter transfer function, 359, 368
intrachannel nonlinear effects theory, 457–63, mean and variance, 310–313, 369, 465–6,
458 490–491
numerical simulations, 466–8, 466–71 modulation schemes comparison, 366–7, 367
WDM systems, 437 noise component, 360–361
non-return-to-zero (NRZ) nonlinear Schrödinger equation, 428–9, 429,
constellation diagrams, 509, 509 437, 457–63, 458
