Y
Photonic Systems, Inc.
EIA 20524-
www.photonicsinc.com
Optical Intensity Modulators
Predominant Types
12
V
RFIn
LiNbO3 or Polymer Mach-Zehnder
Electro-Optic Modulator
Laser
PI
PO
PI
PO
L I
V
RFIn
Semiconductor Mach-Zehnder
Electro-Optic Modulator
Laser
PI
PO
PI
PO
V
RFIn
Semiconductor Electro-
Absorption Modulator
Laser
PI
PO
PI
PO
V
V
V
L I
L I
Most mature technology, Cost: $2,000 + $1,000 for laser
Newer technology       Cost: ? (few vendors)
Cost: $1,040 including laser
No even-order distortion products if biased at inflection point!