Page 746 - Introduction to Information Optics

730 Index

Phase conjugation, optical pattern Polychromatic pattern recognition, 375
recognition, 401 404 with spatial-domain filters, 377 380
Phase-modulated SLM, 369 with temporal Fourier-domain filters, 376
Phase-representation joint transform 377
detectors (JTDs), 371-372 Polyimides, for waveguides, 303, 304, 322
Phase-transformed NNC, 399 323
Phosphorus-doped cobalt, as optical storage Polymer waveguides, 302-312, 343
medium, 446 fabrication, 305-309
Photochemical hole burning, for optical loss measurement, 310-311
storage, 444-445 materials, 303-305
Photochromic materials, as optical storage optical bus structure, 343-348
medium, 442 Polyviny! alcohol (PVA), as holographic
Photodetectors storage medium, 459-460
accuracy and reliability observation, 48 Position encoding, 370
for fiber-optic communication, 188 192 Position-encoding joint transform detectors
properties, 190 (JTDs), 370-371
types, 188 190 Potassium, europium-doped, 443
Photographic film, 438, 617 PRBS. See Pseudorandom binary sequence
Photolime gel, for waveguides, 303 Prewhitening process, 108
Photolithography, for low-loss polymer Prism-film coupler, waveguide loss
waveguides, 309 measurement technique, 311
Photon gating, 443, 449-451 Probe beam, 119
Photonic switches, based on MEMS, 245- Programmable logic array, 481 485
246 PROM. See Pockels readout optical
Photoplastic device, as optical storage modulator
medium, 440-441 Pseudocoloring, 140
Photopolymers, 118,439-440 Pseudorandom binary sequence (PRBS), 197
Photorefractive effect, 115-117 Pseudorandom-coded OTDR, 592
Photorefractive materials, 117-118, 361, Pump beam, 119
441 442 PVA. See Polyvinyl alcohol
Photorefractive optics
for pattern recognition, 401-411 0
for signal processing, 115-132 QCFs. See Quantized composite filters
Photoresists, as optical storage medium, 440 QCSE. See Quantum-confined Stark effect
Physical wavelet transform, 264-270 QSD number system. See Quaternary signed-
Piezoelectric actuator, 695 digit (QSD) number system,
PIN photodetector, 188, 189, 191 arithmetic
Plane holographic storage, 456-458 Quantized composite filters (QCFs), 390- 394
PMD. See Polarization mode dispersion Quantum-confined Stark effect (QCSE), 230
PNNs. See Polychromatic neural networks Quantum efficiency, photodetectors, 190
Pockels effect, 225 Quantum mechanical channel, 54-58
Pockels readout optical modulator (PROM), Quantum-well VCSEL (QWVCSEL), 335
477 Quasi-distributed fiber-optic sensors, 600
Poincar sphere, 578 612
Polar coordinate transformation, 285 287 Quasi-Fourier-transform JTC (QFJTC), 364-
Polarization, 575-581 366
Polarization-based fiber-optic sensors, 582 Quaternary signed-digit (QSD) arithmetic,
Polarization-maintaining (PM) fiber, 612 503, 534-539,551-557
Polarization mode dispersion (PMD), 671 Quaternary signed-digit (QSD) number
Polychromatic neural networks (PNNs), system, 500, 503, 543
418-423 Quine-McClusky's algorithm, 506, 517, 528