In the November/December 2011 edition of Lightwave magazine, Paul Brooks of JDSU describes in the article “New test techniques required for CFP 100G optics” how the latest generation of...
Modern day high-bandwidth conventional oscilloscopes are typically supplied with a maximum of four input channels (and with as few as one or two channels at a higher bandwidth rating), owing to...
By Jean-Lou Dupont Data-Tester, Inc. In 1943, IBM Chairman Thomas Watson infamously said, “I think there is a world market for maybe five computers.” To put it mildly, that prediction...
SEPTEMBER 27, 2010 By Stephen Hardy -- Only a few carriers have deployed 40-Gbps links in their networks; less than a handful have deployed 100-Gbps technology. But that doesn’t mean there...
According to the July/August 2010 Lightwave magazine article “Testing PON devices with multiple kilometers of optical fiber,” the use of burst-mode data CDRs (BCDRs) in the latest...
By Laura Martínez and Enrique Pellejer Overview Derived from stimulated Brillouin scattering, the Brillouin optical spectrum analysis technique enables phase and amplitude measurements...
By Daniel van der Weide Overview This article reviews both sampling and real-time techniques for signal conversion, compares many of the current instruments for measurement of complex modulation...
By François Robitaille Overview The shift to more complex modulation formats for high-speed communications means a change in the way designers and network managers measure signal...
by Meghan Fuller Hanna Overview It's hard to test phase-modulated signal formats with instruments designed for amplitude modulation. Help for technology developers may finally be on the way,...
MAY 1, 2009 By Stephen Hardy -- While the fiscal year 2009 third quarter numbers JDSU (search Lightwave for JDSU) issued on April 29 revealed a company that is no more immune from the current...
