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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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Probing High-Speed Signals with the 86100 Series of Wide-Bandwidth Sampling Oscilloscopes 
Product Note 86100-6 discusses three important measurement accessories that help make probe-based measurements both simple and accurate for the Keysight 86100 Wide-Bandwidth Oscilloscope.

Présentation technique 2011-07-28

Transient Optical Power Measurements with the N7744A and N7745A 
This note shows how to measure transient and time-dependent optical signals, both of which are related to the fast sample rate and data throughput of the N7744A and N7745A multiport power meters.

Notes d’application 2010-11-12

PDF PDF 1.23 MB
Measuring IL and PDL spectra with the fast-switching N7786B 
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 2009-04-10

PDF PDF 672 KB
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
Measuring Polarization Dependent Loss of Passive Optical Components 
A new document on the methods of characterizing passive optical components.

Notes d’application 2008-12-01

PDF PDF 545 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

 
MOI for SATA RSG Tests, SATA Interoperability Program Rev. 1.3 - Application Note 
Keysight Method Of Implementation for SATA RSG Tests, Serial ATA Interoperability Program Revision 1.3

Notes d’application 2008-05-30

PDF PDF 2.17 MB
Precision Waveform Analysis for High-Speed Digital Communications - Application Note 
This document will discuss the Keysight 86108A precision waveform analyzer plug-in module with the Keysight 86100C DCA-J sampling oscilloscope mainframe for accurate analysis of high-speed digital communications signals.

Notes d’application 2008-04-17

Powering DC-to-DC Converters Using the Keysight N6705A DC Power Analyzer 
This application brief describes an example of how an R&D engineer can test DC-to-DC converters using capabilities of the N6705A DC Power Analyzer.

Notes d’application 2007-04-11

Precision Jitter Analysis Using the Keysight 86100C DCA-J - Application Note 
This product note provides a guide to making jitter measurements with the Keysight 86100C DCA-J.

Notes d’application 2007-03-07

Comparison of Different Jitter Analysis Techniques With a Precision Transmitter - Application Note 
This white paper describes how various jitter analysis techniques give dissimilar results. Which is right? We built a precision jitter transmitter to compare results of different techniques where test sets were exposed to known levels of jitter.

Notes d’application 2006-04-06

PDF PDF 169 KB
Equalization: The Correction and Analysis of Degraded Signals - Application Note 
This whitepaper introduces engineers to the concepts of equalization and terms used in the development of emerging technologies that use standard materials (e.g., FR4) for buses and backplanes at ever higher rates.

Notes d’application 2005-09-15

PDF PDF 1.41 MB
Total Jitter Measurements at Low Probability Levels, Using Optimized BERT Scan Method 
This paper describes an optimized technique based on probabliity and statistics theory that enables accurate TJ measurements at the 1e-12 bit error ratio level in about 20 minutes at 10 Gbit/s.

Notes d’application 2005-07-11

PDF PDF 894 KB
Precision Jitter Transmitter - Application Note 
This paper introduces a precisely calibrated jitter source capable of applying a wide variety of jitter signals in different combinations at adjustable amplitudes. The system, calibration techniques, and examples are discussed.

Notes d’application 2005-06-20

PDF PDF 387 KB
Next Generation SONET/SDH devices - the driver for multi-port, muli-channel test 
This application note describes next generation SONET/SDH telecomm network equipment and some of the new challenges faced in testing the behavior and characteristics of such equipment.

Notes d’application 2002-11-12

How to integrate switches and an optical attenuator in the amplifier test set-up 
This application note discusses how to ensure an accurate characterization, and how to integrate the required measurement equipment.

Notes d’application 2002-09-02

PDF PDF 321 KB
Polarization Measurements of Signals and Components (PN-8509-1) 
This product note discusses various types of polarization measurements, introduces related polarization phenomena, presents measurement setups, procedures and typical Keysight 8509 test results.

Notes d’application 2002-06-21

PDF PDF 1.36 MB

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