N4391A Optical Modulation Analyzer

The Optical Modulation Analyzer offers comprehensive characterization of amplitude and phase modulated optical signals for 40/100G transmission systems.

The Optical Modulation Analyzer consists of:

• wide-bandwidth polarization-diverse coherent optical receiver technology
• optics related version of Agilent 89600 vector signal analysis software
• Agilent’s high-speed real-time data acquisition unit, the Infiniium Series 90000 oscilloscope

Benefits

• Time-domain based coherent receiver 100G ready for state-of-the-art advanced modulation format analysis.
• Highest flexibility through selection of numerous modulation formats, analysis tools and instrument configuration.
• In-depth analysis of optical transmitter and links with new analysis tools like constellation diagram with masks and error vector analysis.

Features

• Wide-bandwidth, real-time polarization diverse coherent receiver
• Polarization alignment algorithm independent of modulation format
• Optical constellation diagram
• Optical spectrum analysis
• Error vector magnitude analysis tools
• Phase error analysis
• Spectrogram
• Real counting BER (new !)
• Choice of more than 30 modulation formats
• Choice of up to 20 analysis tools

Click here to see a real-time capture of the N4391A Optical Modulation Analyzer

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Optical constellation diagram with masks

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Optical I-Q diagram with constellation points (red) and signal transition

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Error vector magnitude versus analyzed symbol

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Quantitative analysis of constellation distortion symbol and bit detection as reference for BER test

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BER display based on counted errors from a PRBS or user defined pattern

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Eye Diagram for I and Q part of the signal

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Narrowband high resolution spectrum

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Spectrogram showing high resolution spectrum (x-axis) versus time with color coded amplitude

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