Active Components:
APD
PD
Bidi
Diplexer
Triplexer
Lasers
CWDM Lasers
VCSEL
GBIC
SFP Transceiver       
SFP Loopback
SFP 4G Transceiver
SFP 4G Loopback

XFP Transceiver
XFP Loopabck
XENPAK
EDFA

Passive Components:
Adapters
Jumpers
Loopbacks
Attenuators
PLC Splitter
Coupler
WDM
CWDM
DWDM