APPENDIX B. ACRONYMS 521
DDF dispersion-decreasing fiber
DFB distributed feedback
DGD differential group delay
DIP dual in-line package
DM dispersion-managed
DPSK differential phase-shift keying
EDFA erbium-doped fiber amplifier
FDDI fiber distributed data interface
FDM frequency-division multiplexing
FET field-effect transistor
FM frequency modulation
FP Fabry–Perot
FSK frequency-shift keying
FWHM full-width at half-maximum
FWM four-wave mixing
GVD group-velocity dispersion
HBT heterojunction-bipolar transistor
HDTV high-definition television
HEMT high-electron-mobility transistor
HFC hybrid fiber-coaxial
HIPPI high-performance parallel interface
IC integrated circuit
IF intermediate frequency
IMD intermodulation distortion
IM/DD intensity modulation with direct detection
IMP intermodulation product
IP Internet protocol
ISDN integrated services digital network
ISI intersymbol interference
ITU International Telecommunication Union
LAN local-area network
LEAF large effective-area fiber
LED light-emitting diode
LO local oscillator
LPE liquid-phase epitaxy
LPF low-pass filter
MAN metropolitan-area network
MBE molecular-beam epitaxy
MCVD modified chemical vapor deposition
MEMS micro-electro-mechanical system
MOCVD metal-organic chemical vapor deposition
MONET multiwavelength optical network
MPEG motion-picture entertainment group
MPN mode-partition noise
MQW multiquantum well
MSK minimum-shift keying