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Optical receivers can handle signal rates of up to 130Gbaud

Electronics News
8 years ago

Optical receivers can handle signal rates of up to 130Gbaud

The IQS series of coherent optical receivers, from Teledyne LeCroy, is said to feature the industry’s highest bandwidth. The company says that, when combined with its LabMaster 10Zi-A oscilloscopes and integrated Optical-LinQ analysis software, the IQS receivers can test DP-QPSK and DP-16QAM optical signals at rates of up to 130Gbaud.

Patrick Connally, Teledyne LeCroy’s product manager for high performance oscilloscopes, said: “Our IQS receivers complete the most comprehensive and highest performance OMA solution on the market, enabling us to continue providing the most capable toolset for innovators in telecommunications.”

The result of collaboration with Coherent Solutions, the 70GHz IQS70 coherent optical receiver pairs with the LabMaster 10-65Zi-A oscilloscope to provide a system bandwidth of 65GHz, said to be ideal for characterising 56Gbaud communications systems and enabling detection up to 130Gbaud. Lower rate applications can be handled by the 42GHz IQS42 Coherent Optical Receiver, said to be a suitable test platform for 32Gbaud DP-16QAM or DP-QPSK when used with the 36GHz LabMaster 10-36Zi-A scope.

The company has also introduced the Optical-LinQ software package for measurement and visualisation of optically modulated signals. It runs within the LabMaster 10Zi-A’s user interface, providing automated control of the IQS receiver, phase recovery algorithms and polarisation demultiplexing, as well as modulation analysis displays and parameters.

A dynamic calibration capability allows the LabMaster 10 Zi-A to be disconnected from the IQS Coherent Optical Receiver and used for other electrical validation and testing without requiring factory recalibration. This is said to enable dual use of the oscilloscope for serial data eye diagrams and jitter, noise and crosstalk analysis on NRZ electrical tributaries using Teledyne LeCroy’s SDAIII-CompleteLinQ software.

Graham Pitcher


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