Intensity Modulator


IML-1550-40-ST – Space Qualified 1550 NM 40 GHz Intensity Modulator

The Optilab IML-1550-40-ST 40 GHz Intensity Modulator is designed for analog modulation of up to 40 GHz for microwave links, antenna remoting, and RF over Fiber. It is a high linearity, low drive voltage lithium niobate Mach-Zehnder interferometer (MZI) design.  It is a low-loss lithium modulator that proves to be extremely stable for long periods of time, and features excellent stability in a biased circuit, operating from 1525 nm to 1610 nm.

 The IML-1550-40-ST has been tested with qualification standards such as MIL-STD-883 and ESCC 22900 for space applications.

Main specifications

Operating Wavelength15251610nm
E-O bandwidth (-3 dB)30GHz
Vpi @ 10 GHz3V
Vpi @ 30 GHz4.5V
Insertion Loss4.55dB
40 GHz Intensity Modulator


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