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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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Loop Bandwidth and Clock Data Recovery in Oscilloscope Measurements (AN 1304-6) 
This application note describes loop bandwidth and clock data recovery in oscilloscope measurements.

Notes d’application 2002-05-30

PDF PDF 600 KB
Making Time Resolve Chirp Measurements  
This application note covers laser modulation methods, time-resolved chirp (TRC) measurement methods, and applications of TRC measurement data to predict laser perfomance in a transmission system.

Notes d’application 2002-03-12

PDF PDF 500 KB
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 2002-03-11

PDF PDF 260 KB
40 Gb/s and Return-to-Zero Measurements Using the 86100A Infiniium DCA - Application Note 
This note describes the evolution of the Keysight 86100A Infiniium DCA for 40 Gb/s test and how measurement requirements have been implemented in the instrument through improved hardware and firmware.

Notes d’application 2001-11-15

PDF PDF 1.61 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.

Notes d’application 2001-08-23

Defining Sensitivity of the Keysight 86100A Digital Communications Analyzer (PN 86100-5) 
This product note describe the main specification that determines the sensitivity of the Keysight 86100A Infiniium DCA (digital communications analyzer) being the inherent noise level of the specific 86100 plug-in module.

Notes d’application 2001-08-01

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...

Notes d’application 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.

Notes d’application 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.

Notes d’application 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.

Notes d’application 2001-01-01

Data Logging Using Remote Programming (AN 1370-1) 
One of the most useful applications of remote programming of test instruments is to run the same test periodically and simultaneously.

Notes d’application 2000-12-15

PDF PDF 270 KB
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.

Notes d’application 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...

Notes d’application 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
Characterizing High-Speed Optical Transmitters Compliance Testing with the Keysight 86100A AN: 1340-1 
This application note will focus on the testing of opticaltransmitters used by three communications technologies:SONET/SHD, Gigabit Ethernet, and Fibre Channel.

Notes d’application 2000-08-01

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.

Notes d’application 2000-07-01

PDF PDF 417 KB
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.

Notes d’application 2000-07-01

Measuring High Power Waveforms with the 86100A DCA and the 86101A or 86103A Reference Receiver 
Product Note 86100-2 discusses the Keysight 86100A Digital Communications Analyzer (DCA)with the 86101A/103A plug-in module, designed to perform Gigabit Ethernet and Fibre Channel compliance testing.

Notes d’application 2000-06-14

PDF PDF 453 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.

Notes d’application 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.

Notes d’application 2000-06-01

PDF PDF 202 KB
Converting ATE Control from Keysight 83480A to 86100A (PN 86100-1) 
This application note gives you information about the 86100A syntax changes and new or enhanced commands. It also tells you the 83480A commands which are not supported by the 86100A.

Notes d’application 2000-02-01

PDF PDF 478 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...

Notes d’application 1997-12-01

PDF PDF 706 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...

Notes d’application 1996-06-01

PDF PDF 181 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.

Notes d’application 1996-06-01

PDF PDF 237 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...

Notes d’application 1996-05-01

PDF PDF 255 KB

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