Diode Lasers for Direct Modulation
Predominant Types
•
SIMPLE
STRUCTURE
•
HIGH
POWER AVAILABLE
•
MAJOR
APPLICATION: CD PLAYERS
•
COST:
$20 – $1000
•
LOW
LASER NOISE
•
HIGH
LINEARITY
•
MAJOR
APPLICATION: CATV
DISTRIBUTION
•
COST
$1,000 – $10,000
OPTICAL SPECTRUM
OPTICAL SPECTRUM
FABRY-PEROT DIODE LASER
SUBSTRATE
BOTTOM
CONTACT
TOP
CONTACT
P
n
CAP LAYER
ACTIVE
LAYER
CLEAVED
MIRROR
LIGHT
BEAM
SUBSTRATE
BOTTOM
CONTACT
TOP
CONTACT
P
n
CAP LAYER
ACTIVE
LAYER
CLEAVED
MIRROR
LIGHT
BEAM
DISTRIBUTED-FEEDBACK DIODE LASER
CORRUGATION
Y
EIA 00612-13