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Optical & Photonic

Keysight offers a wide-range of innovative test and measurement solutions to accelerate the progress of next-generation intelligent optical networks.

Keysight's mission in the optical market is to shorten time-to-market and reduce cost-of-test for customers in R&D and manufacturing, as well as enable new technologies which include innovative optical components, network elements & systems, and all-optical fiber networks.

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Transient Optical Power Measurements with the N774x-Series Multiport Power Meter - Application Note 
This note describes the details for making time-dependent measurements of optical power levels, for applications like testing transients and determining switching times.

Notes d’application 2016-08-31

PDF PDF 1.45 MB
View PAM-4 Seminar and Application Notes 
Cut through the challenges of gigabit digital designs with these useful tools, app notes, and seminars. Keysight - insights for your best design.

Notes d’application 2016-05-16

 
Download application notes on optical communication test 
Get application notes on the latest developments in coherent test signal generation and analysis.

Notes d’application 2015-10-27

 
Forward Clocking - Receiver (RX) Jitter Tolerance Test with J-BERT N4903B High-P - Application Note 
This document describes the requirements for forward clocking topology RX Jitter tolerance testing.

Notes d’application 2015-04-24

PDF PDF 2.22 MB
Download latest M8195A AWG application notes 
Get app notes for digital multilevel signalizing techniques and high-speed coherent optical

Notes d’application 2014-09-22

 
High Speed Lightwave Component Analysis - Application Note 
The principles and methods are described for measuring the frequency dependence of fiberoptic transponders that convert electrical signals to optical signals and optical to electrical.

Notes d’application 2014-08-04

Measuring Polarization Dependent Loss of Passive Optical Components - Application Note 
A new document on the methods of characterizing passive optical components.

Notes d’application 2014-07-31

PDF PDF 1.40 MB
Digital Communication Analyzer (DCA), Measure Relative Intensity Noise (RIN) - Application Note 
Digital Communication Analyzer (DCA), Measure Relative Intensity Noise (RIN).

Notes d’application 2014-07-31

On-Wafer Testing of Opto-Electronic Components Using LCA's 
This document describes the principles of on-wafer measurements on opto-electronic components

Notes d’application 2014-07-31

Measuring the Dependence of Optical Amplifiers on Input Power Using an Attenuator 
This application note describes the important optical amplifier properties of gain and noise figures and their dependence on the powers and wavelengths of the input signals.

Notes d’application 2014-07-31

PDF PDF 347 KB
Metrology of Optical Advanced Modulation Formats 
The metrology basics of advanced optical modulation formats are presented.

Notes d’application 2014-07-31

PDF PDF 223 KB
Measuring IL and PDL spectra with the fast-switching N7786B - Application Note 
The advantages and details of a new method for swept-wavelength IL and PDL measurement is introduced, including configuration details for the necessary instruments and software.

Notes d’application 2014-07-31

PDF PDF 582 KB
What is the difference between an equivalent time and a real-time oscilloscope? - Application Note  
This document will discuss how each type of oscilloscope samples the incoming waveform and explain the trigger requirements.

Notes d’application 2013-11-18

Measuring Jitter in Digital Systems (AN 1448-1) - Application Brief 
This application note is for R&D designers and engineers working on high-speed digital designs. It addresses jitter measurements in digital circuits, how the different measurement techniques are best applied, and how these decisions may change as the data rates increase.

Notes d’application 2013-09-16

PDF PDF 1.78 MB
Technical Paper for Kalman Filter Based Modulation Analysis 
Technical paper for Kalman Filter Based Modulation Analysis.

Notes d’application 2012-11-28

 
Improving the Accuracy of Optical Transceiver Extinction Ratio Measurements (AN 1550-9) 
This paper discusses extinction ratio - measurement challenges and causes of measurement uncertainty & variability. In addition, it describes methods for reducing uncertainties caused by non-ideal performance of standard reference receivers.

Notes d’application 2009-02-21

Capturing the Fifth Harmonic: Tradeoffs Between Sampling and Real Time scopes 
There is no simple way to decide how much oscilloscope bandwidth you will need. Scope vendors promote a “fifth harmonic” rule of thumb. They suggest you purchase a scope with sufficient bandwidth to capture the fifth harmonic of your signals.

Notes d’application 2009-02-20

Using Equalization Techniques on Your Infiniium 90000A Series Oscilloscope 
A transmitter sends a serial signal over a transmission channel (examples: backplane, cable) to a receiver. As the signal rate increases, the channel the signal travels through distorts the signal at the receiver.

Notes d’application 2009-02-17

PCI Express® Revision 2 - Receiver Testing With J-BERT N4903A and 81150A Pulse - Application Note 
Receiver Testing With J-BERT N4903A and 81150A Pulse

Notes d’application 2008-12-03

PDF PDF 1000 KB
Characterizing Clock Jitter through Phase Noise Measurements Speeds up Design Verification Process 
This white paper discusses a new measurement method for obtaining highly accurate low random jitter (RJ) measurements and performing real-time analysis of RJ and periodic jitter (PJ) of components.

Notes d’application 2008-11-20

Upgrade to PCI Express 2.0© Receiver Test - Application Note 
The 15431A is a filter set for the 81150A. It generates the random jitter profile for testing PCI Express 2.0 receivers, to be used in conjunction with the N4903A. This fact sheet explains the upgrade.

Notes d’application 2008-10-24

PDF PDF 348 KB
The Benefits of and Considerations for the Embedded CDR in the N5980A - App Note 
The Benefits of and Considerations for the Embedded CDR in the N5980A

Notes d’application 2008-09-16

PDF PDF 591 KB
Method of Implementation (MOI) for DisplayPort Sink Compliance Test - Application Note 
Method of Implementation (MOI) for DisplayPort Sink Compliance Test

Notes d’application 2008-08-18

PDF PDF 1.87 MB
Calibrating optical stress signals for characterizing 10 Gb/s optical transceivers - App Note 
Calibrating optical stress signals for characterizing 10 Gb/s optical transceivers

Notes d’application 2008-06-10

Laser Chirp 
Chirp is a measure of the change in transmitter optical frequency as the transmitter is modulated.

Notes d’application 2008-06-04

 

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