2P1 Device. See Two-PONs-in-one device
Access nodes (AN), 245
Acousto-optic switches, 261
All-polymer AWG
polymer waveguide materials, 103
TE/TM polarization shift and
transmission spectrum of, 104
Amplified spontaneous emission (ASE),
74, 284
Amplitude modulation-vestigial side band
(AM-VSB), 3
Analog CATV Overlay impact
BER degradation, 205
CNR degradation, 206–207
Analog TV distribution systems, 36
Analog voice frequency transmission, 2
Angled physical contact connectors, 89, 112
APDs. See Avalanche photodiodes
Arrayed waveguide grating router
(AWGR), 72–73, 283
Arrayed waveguide grating, temperature
and polarization insensitivity
mechanically movable compensation
plate for, 104
polymer materials and overcladding, 103
Array waveguide grating (AWG), 246
athermal, 99
crosstalk of, 93–94
cyclic, 94
dual function, 96–99
freepropagating regions or slabs, 93
input and output Ports, 95–96
for passive operation, 88
propagation loss, 93
schematic layout of 1N, 93–94
schematic layout of NN, 94–95
as wavelength router and demultiplexer,
WDM signal propagation, 93–94
Asymmetric DSL (ADSL), 3
Asynchronous transfer mode (ATM), 8
ATC method. See Automatic threshold
control method
Athermal arrayed waveguide grating
based on compensating plate, 104–106
based on negative thermal coefficient
materials, 103–104
based on temperature-compensating rod,
bimetal plate and temperature-
dependent stress, 107–108
channel spacing of, 99, 108
diffraction loss and silicone resin-filled
trenches, 101–103
insertion losses and crosstalk level,
insertion losses and triangular grooves,
mechanically movable compensation
plate in, 104
polarization-dependent wavelength shift
minimization, 103
polymer materials and waveguide
structure, 103–104
polymer overcladding of, 103
schematic diagram of, 100
silicon resin-filled trenches in slab region,
temperature and polarization
insensitivity, 103–104
temperature-dependent transmission
spectrum, 99, 104
TE/TM polarization shift, 104–105
Athermal AWG based on compensating
insertion loss, 106
optical spectra of, 105
Athermal AWG based on temperature-
compensating rod
crosstalk levels and loss of, 106
temperature-dependent wavelength shift,
ATM adaptation layer (AAL), 40
ATM passive optical network (APON),
control and management, 40–41
services in, 40
system description, 37–40
ATM passive optical network (APON)/
collision resolution in, 42
protection switching, 54
Automatic gain control (AGC) technique,
cell-AGC preamplifier configuration,
trans-impedance gain control, 184
Automatic protection switching (APS), 247
Automatic threshold control method,
Avalanche photodiodes
TO-CAN structure of, 165
V-I curve of, 164
Avalanche photo-diodes (APD), 44
Bandwidth allocation
dynamic bandwidth allocation
IPACT and its variants, 228–231
overview of, 221–222
requirements of, 224–226
target service, 222–224
traffic control fundamentals, 226–228
EPON, protocol of, 220–221
G-PON, protocol of, 218–220
procedures for, 216–218
purpose of, 215–216
Bendable SC connector and indoor
installation, 110–111
Bend-insensitive single mode optical fiber
bend loss characteristics of, 113
for indoor fiber installation, 112
BER/Q-factor monitoring, 289–290
Bi-directional line-switched ring (BLSR),
Bidirectional optical loss, 273
Bidirectional optical subassembly
bulk-optic assembly technology
optical and electrical cross talk
suppression, 168
optical system schematics of, 167
TO-CAN fabrication, 168
planar lightwave circuits
embedded-filter, 171
external-filter, 170–171
Bit error rate (BER), 30, 59, 268
BM Tx. See Burst-mode transmitter
BOSA. See Bidirectional optical
burst-mode timing specifications for,
power-leveling mechanism (PLM), 159
split ratios and power budgets for,
standards, 155–156
standards, physical-layer requirements
of, 155–156
Broadband access networks
cable modem, 3–6
digital subscriber line (DSL), 2–3
Ethernet, 8–11
fiber access systems, 7–8
history of, 1
Broadband interactive data signals, 243
Broadband optical sources and ONU,
Broadcast emulation and point-to-point
operation, 74
Burst-mode BER and sensitivity penalty,
measurement of, 197, 199–201
Burst-mode protocol, 56
316 Index
Burst-mode receiver
AC-coupled circuit, 185–186
DC-coupled implementations
automatic gain control technique,
automatic threshold control method,
feedback configuration
differential input/output trans-
impedance amplifier, 181–182
feedback loop, 182–183
feed-forward implementation
DC-coupled pre-amplifier, 181
synchronization, 64
Burst-mode transmission, 33
Burst-mode transmitter
APC circuit, 178–179
automatic power control (APC)
algorithm, 176–177
laser diode and laser diode driver IC
(LDD), 175–176
optical and timing performance of,
Burst overhead (BOH), 218
Cable modem, 3–6
Cable modem termination system
(CMTS), 5
Capital expenditure (CAPEX), 35
Carrier Sense Multiple Access with
Collision Detection (CSMA/CD),
9–10, 215–216
Carrier-to-noise ratio (CNR), 25, 35
C-band analog CATV signal overlay,
Centralized supercontinuum broadband
light source, 130
Central office (CO), 19–20, 243, 267, 275
Chromatic dispersion (CD), 23–24, 268,
Coarse wavelength division multiplexer
(CWDM), 75, 250
Coarse WDM coupler
insertion loss, 98
pass bands, 97
signal isolation and, 97–98
Code division multiple access (CDMA),
Colorless ONUs
based on spectral-slicing techniques
broadband optical sources and, 129
transmission bit-rate, effect on, 130
optically injection-locked and
self injection-locked FP-LDs, 135–136
self-seeding reflective SOAs, 137
Community antenna TV (CATV) service,
1, 3, 5
Cross-phase modulation (XPM) index, 271
CWDM coupler. See Coarse WDM
Cyclic redundancy check (CRC), 60
Data over cable service interface
specification (DOCSIS), 5
DBR lasers. See Distributed Bragg
reflector lasers
DDTC. See Digital diagnostics transceiver
Deficit round-robin (DRR) scheduling,
Degree of polarization (DOP), 295
DFB lasers. See Distributed feedback
Differential group delay (DGD), 270, 294
Digital diagnostics transceiver controller,
Digital subscriber line (DSL) services,
Digital voice signals, 2
Discrete multitone modulation (DMT), 3
Dispersion tolerant transceivers, 71
Distributed Bragg reflector lasers,
Distributed feedback (DFB) lasers, 28,
L-I curve of, 164
TO-CAN package of, 165
Index 317

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