The 1064nm 20GHz Intensity Modulator is manufactured with both PM (Polarization Maintaining) fiber on input / output port. The modulator incorporates a zero chirp design for ultra long haul transmission. Covering 1030nm to 1090nm, it can be used for high speed seed laser modulation for 1064nm high power laser system. With exceptional E/O bandwidth and highly linear transfer function, it can also be utilized in analog optical transmission system up to 10GHz. The applications include PM optical system, microwave optical link and antenna remote. This modulator operates with low drive voltage, making it compatible with a wide variety of GaAs IC-based drivers. A separate bias port allows the modulator to operate at optimal points of transfer function.