Optical Communications, 2nd Edition

INDEX

Absorption coefficients, 291

Acquisition, of beams, 305, 309-323

Airy patterns, 42

Alignment, in heterodyning, 163-169

Amplifiers, optical, 32-34, 247

Amplitude modulation, 4, 17

with direct detection, 137-138

with heterodyning, 161-162

Antennas, optical, 13-14

Antenna scanning, 311-314

Aperture:

averaging, 298

circular, 41

numerical, 23

rectangular, 41

Arrays:

detector, 51

focal plane, 51, 146

processing, 146-147

Atmosphere, 286

Atmospheric channel, 20, 285-302

scattering, 287, 289

turbulence, 289-290

Attenuation:

in fibers, 26, 234

in space, 20,290-291

Avalanche photodiodes, 79, 193

Background radiation, 61-68

blackbody, 61

indoor, 67

sky,59-68

Beamwidths, 13, 19

Bit rates, 179

Block encoding, 201-206

Bose-Einstein counting, 97

Brightness, 11

Channels, 3, 18, 20

fiber, 7, 21

random, 20

space, 6, 18

Circuit switching, 263, 280-281

Cladding, 21

Clock synchronization, 219-228

Clouds, 288, 291-292

Code division multiple access, 267, 276-280

Coding:

channel, 206-212

efficiency factor, 211-212

Coherence:

areas, 31

functions, 30-31

separable, 31

Coherent communications, 4, 151-176

in atmosphere, 299

with digital, 198

in fibers, 254-256

Coherent detection, see Heterodyne

Coherent distance, 292-295

Combiners, in fibers, 259

Core:

in fibers, 21

indices, 22-23

Counting processes, 78

photomultiplier, 99-102

random fields, 92-97

statistics, 81-92

Counts:

Bose-Einstein, 97

Laguerre, 96

Poisson, 87, 92-99

Critical angles, in fibers, 22

Dark current, 78

spectrum, 111, 128

Digital communications, ...