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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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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.

Application Note 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.

Application Note 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.

Application Note 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.

Application Note 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.

Application Note 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.

Application Note 2005-07-11

PDF PDF 894 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.

Application Note 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.

Application Note 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.

Application Note 2002-06-21

PDF PDF 1.36 MB
Variable Optical Attenuator in BER Test Applications 
This application note will help users of optical attenuators to understand the key features of Keysight’s new attenuator family.

Application Note 2001-08-23

Testing 10-Gb/s SONET/SDH Equipment and Components 
This Product Note describes key features of the Keysight 71612A 12 Gb/s error performance analyzer that are particularly beneficial in the development and production testing of components and sub-systems for SONET/SDH transmission equipment. The creation and real-time editing of custom patterns...

Application Note 2001-07-18

PDF PDF 684 KB
High Speed Lightwave Component Analysis (AN 1550-6) 
This application note tells how to characterize system components such as lasers and LED transmitters, photodiodereceivers, external modulators and optical components.

Application Note 2001-06-21

Narrow-band PMD Measurements with the Keysight 8509C (PN 8509-2) 
This product note provides information about making narrow-band Polarization Mode Dispersion (PMD) measurements using the Keysight 8509B Lightwave Polarization Analyzer.

Application Note 2001-02-01

PDF PDF 830 KB
Measuring Extinction Ratio of Optical Transmitters (AN 1550-8) 
Optical transmitters used in high-speed digital communication systems are typically required to maintain a specific set of performance levels.

Application Note 2001-01-01

Packet over SONET/SDH (POS) Functional Testing Product Note 
Packet over SONET/SDH (POS) has emerged as the technology of choice for high-speed routers as it enables efficient transmission of internet protocol (IP) packets directly over SONET/SDH.

Application Note 2000-09-01

PDF PDF 2 KB
WDM System Test with the Keysight 86120 Multi-Wavelength Meter ( PN 86120-1) 
This product note addresses the WDM system, the design and maintenance issues warranting measurement, and how the Keysight 86120 Multi-Wavelength Meter can be used to easily...

Application Note 2000-08-01

PDF PDF 435 KB
Keysight Technologies and Communications: Six Decades of Measurement Contributions 
The attached 36 page Booklet is an illustrated history of test and measurement innovations for communication applications, and documents Keysight's 60 years of these contributions. Keysight Technologies has been making measurement contributions to the communications industry ever since Dave Packard...

Brochure 2000-08-01

PDF PDF 1.73 MB
71400 Lightwave Signal Analyzer (AN 371) 
This application note explains how the Keysight 71400C lightwave signal analyzer is used to perform measurements related to modulated light.

Application Note 2000-07-01

Lightwave Signal Analyzers Measure Relative Intensity Noise (PN 71400-1) 
This product note describes techniques to measure laser intensity noise with the Keysight 714000C and 71410C lightwave signal analyzers. It includes RIN examples and measurements.

Application Note 2000-07-01

PDF PDF 417 KB
ITU-T 0.172 Bridges the Generation Gap from PDH to SDH White Paper 
This paper provides the background to ITU-T 0.172, its relationship with ITU-T 0.171, and the impact this new recommendation has for legacy network equipment.

Application Note 2000-06-06

PDF PDF 344 KB
Polarization-dependent Loss (PN 11896-2) 
This product note discusses the concept of PDL and gives examples of typical values that are expected for common lightwave components.

Application Note 2000-06-01

PDF PDF 202 KB
Introduction to BER Testing of WDM Systems (AN 1299) 
Wavelength division multiplexing (WDM) is a new and exciting technology for migrating the core optical transmission network to higher bandwidths. The ability to transfer multiple optical carriers over the same span of fiber promises almost unlimited bandwidth. However, the ultimate test for any...

Application Note 1997-12-01

PDF PDF 706 KB
Rigorous Stressing of SONET/SDH Alarms Using Programmable 3-Stage Sequences 
In this Product Note the testing the alarm and pointer processing algorithms of a SONET or SDH network element (NE), requires more sophisticated testing techniques, such as the 3-stage alarm sequencing facility of the Keysight 75000 Series 90 Modular Telecom Analyzer.

Application Note 1996-06-01

PDF PDF 237 KB
Tunable SONET/SDH BERT for 2.488 Gb/x WDM 
This Product Note describes how the Keysight 75000 Series 90 Modular Telecom Analyzer can perform bit error measurements on individual channels of a wavelength division multiplexing (WDM) signal, by using the Keysight 71451B optical spectrum analyzer's monochromator as a tunable, bandwidth...

Application Note 1996-06-01

PDF PDF 181 KB
Conformance testing: An Essential Part of SONET Deployment (AN 1281) 
Testing SONET network elements for compliance with the relevant standards is a complex and time-consuming application. It is, however, an essential part of building SONET-compliant networks. This Application Note describes how the costs of this application can be minimized through standardization...

Application Note 1996-05-01

PDF PDF 255 KB

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