Finisar Acronym Reference Guide

A

• AOC active optical cable
• APD avalanche photo diode
• ASE amplified spontaneous emission

B

• BER bit error ratio
• BoL beginning of life
• BOSA bi-directional optical sub assembly

C

• CATV cable TV (transport)
• CDR clock and data recovery
• CFP 40G/100G pluggable form factor
• CML™ chirp managed laser (transmitter)
• CML current mode logic
• CMOS  complementary-metal-oxide-semiconductor
• CNA converged network adapter
• CPRI Common Public Radio Interface
• CSRS comprehensive stressed receiver sensitivity
• CSRZ carrier suppressed return to zero
• CW continuous wave
• CWDM coarse wavelength division multiplexing
• CXP 12x10G pluggable form factor

D

• dB decibels
• dBm decibel milliwatts
• DBR distributed Bragg reflector
• DFB distributed feedback (laser)
• DGD differential group delay
• Diplexer aka BOSA (see BOSA)
• DLI  delay line interferometer
• DML direct modulated laser
• DP-QPSK  Dual Polarization-Quadrature Phase Shift Keying
• DPRAM Dual Port RAM (Random Access Memory)
• DPSK differential phase-shift keying
• DQPSK differential quadrature phase-shift keying
• DWDM dense wavelength division multiplexing
• DWP dynamic wavelength processor

E

• ECOC  European Conference for Optical Communications
• EDC electronic dispersion compensation
• EDFA  erbium doped amplifier
• EML  Electro-absorption modulated laser
• EoL end of life
• EPON  Ethernet Passive Optical Network

F

• FC Fibre Channel (protocol)
• FCoE Fibre Channel over Ethernet (protocol)
• FEC forward error correction
• FGA  fixed gain (as they relate to amplifiers)
• FOE Fiber Optic Expo (Asia annual exhibition & conference)
• FP Fabry-Perot (laser)
• FPGA Field Programmable Gate Array
• FSAN Full Service Access Network
• FTTx Fiber to the “x” (edge, home, etc.)

G

• GA general availability
• Gb/s or Gbps Giga Bits per Second
• GbE Gigabit Ethernet
• GBIC Gigabit Interface Converter (optical transceiver)
• GPON  Gigabit Passive Optical Network

H

• HTCC high temperature cofired ceramic

I

• IC Integrated Circuit (aka “chip”)
• IEEE Institute of Electrical Electronics Engineers
• IR  intermediate reach
• ITU International Telecommunications Union

L

• LAN Local Area Network
• LASER Light Amplification by Stimulated Emission of Radiation
• LCoS Liquid Crystal on Silicon
• LOS  loss of signal
• LR long reach
• LVPECL low voltage positive emitter
• LVTTL low voltage transistor logic
• LW long wavelength

M

• Mb/s or Mbps megabits per second
• MLSE maximum likely sequence estimator
• MMF multimode fiber
• MOCA Multimedia over Coax Alliance
• MPI multi-path interference
• MSA multi-source agreement
• MSO multi system operator (cable MSOs)
• MZM  Mach Zehnder Modulator

N

• NPI new product introduction
• NRZ  non return to zero

O

• OCM  optical channel monitor
• ODB optical duo-binary
• OFA optical fiber amplifier
• OFC Optical Fiber Communications (North America annual exhibition & conference)
• OPM optical power monitor
• ORL optical return loss
• OSA optical spectrum analyzer
• OSA optical subassembly
• OSNR optical signal to noise ratio

P

• PCIe  PCI express (protocol)
• PDL polarization-dependent loss
• PIN positive intrinsic negative
• PLL phase locked loop
• PMD polarization mode dispersion or physical media dependent

Q

• QSFP 4x10G pluggable form factor

R

• RF radio frequency (over fiber)
• RFoG radio frequency over glass
• ROADM reconfigurable optical add/drop multiplexer
• ROSA receiver optical subassembly
• Rx receiver
• RZ return to zero

S

• SAN Storage Area Network
• SAS Serial Attached SCSI (protocol)
• SATA Serial ATA (protocol)
• SERDES serializer/deserializer
• SFF Small Form-Factor (optical transceiver)
• SFP Small Form-Factor Pluggable (optical transceiver)
• SFP+ Enhanced Small Form-Factor Pluggable (optical transceiver)
• SMF  single mode fiber
• SONET/SDH synchronous optical networking/synchronous digital hierarchy (protocols)
• SR short reach
• SRS stressed receiver sensitivity
• SW short wavelength

T

• TIA Transimpedance Amplifier
• TOSA transmitter optical subassembly
• Tx transmitter

V

• VCSEL vertical cavity surface emitting laser
• VG  variable gain (as they relate to amplifiers)
• VSR very short reach

W

• WAN Wide Area Network
• WDM  Wavelength Division Multiplexing
• WSS wavelength selective switch

X

• XFP 10G Pluggable Form Factor

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