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Modulation Analyzer

Photonics Spectra
Feb 2012
Coherent SolutionsRequest Info
The IQScope from Southern Photonics is an optical complex modulation analyzer for fully characterizing the optical performance of modulators and transmitters. Its hardware and software enable any appropriate equivalent-time oscilloscope to extract the relevant amplitude, phase and polarization information from complex modulation formats. The analyzer can characterize any coherent modulation format, such as 16-QAM (quadrature amplitude modulation) and QPSK (quadrature phase-shift keying) — including polarization multiplexed transmission formats such as dual-polarization QPSK — up to 800 Gb/s, using currently available equivalent-time oscilloscope modules. The IQScope interfaces directly with commonly used oscilloscopes such as the Agilent 86100C/D and the Tektronix DSA8300. Its software runs on the host oscilloscope, providing seamless transition between the coherent modulation analysis tools and the oscilloscope's general-purpose functionality.


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