522 APPENDIX B. ACRONYMS
MSM metal–semiconductor–metal
MSR mode-suppression ratio
MTTF mean time to failure
MZ Mach–Zehnder
NA numerical aperture
NEP noise-equivalent power
NLS nonlinear Schr ̈odinger
NOLM nonlinear optical-loop mirror
NRZ nonreturn to zero
NSE nonlinear Schr ̈odinger equation
NSDSF nonzero-dispersion-shifted fiber
OC optical carrier
OEIC opto-electronic integrated circuit
OOK on–off keying
OPC optical phase conjugation
OTDM optical time-division multiplexing
OVD outside-vapor deposition
OXC optical cross-connect
PCM pulse-code modulation
PDF probability density function
PDM polarization-division multiplexing
P–I power–current
PIC photonic integrated circuit
PM phase modulation
PMD polarization-mode dispersion
PON passive optical network
PSK phase-shift keying
PSP principal state of polarization
QAM quadrature amplitude modulation
RDF reverse-dispersion fiber
RF radio frequency
RIN relative intensity noise
RMS root-mean-square
RZ return to zero
SAGCM separate absorption, grading, charge, and multiplication
SAGM separate absorption, grading, and multiplication
SAM separate absorption and multiplication
SBS stimulated Brillouin scattering
SCM subcarrier multiplexing
SDH synchronous digital hierarchy
SI Syst`eme International
SLM single longitudinal mode
SNR signal-to-noise ratio
SOA semiconductor optical amplifier
SONET synchronized optical network
SPM self-phase modulation