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