Intensity Modulator


QPSK-OM-23 – 1550 NM 2 x 23 Gb/s IQ Modulator

The Optilab QPSK-OM-23 Quadrature Phase Shift Keying (QPSK) modulator is a dual parallel structure of two Mach-Zehnder modulators embedded in a Mach- Zehnder super-structure. It is also often knowns as an IQ modulator or nested modulator. Each internal modulator is designed to support 23 Gb/s signals. An integrated polarizer enables high extinction ratios as required for the QPSK modulation format and SSB applications

Main specifications

Operating Wavelength15301610nm
E-O bandwidth (-3 dB) for each sub-MZ2023GHz
Vpi @ 20 Gb/s3.33.5V
Insertion Loss77.5dB
IQ Modulator


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