Bell Labs demos CMOS - based optical equalizer News & Analysis 3/28/2007 Post a comment Researchers at Alcatel-Lucent's Bell Labs have developed a tunable optical waveguide equalizer made entirely on a CMOS process. They say this is a "significant step" towards high-density, low-cost chips that combine electronics and photonics on the same die and targeted at next generation optical network architectures.
BT, Huawei Look Alive at C5 News & Analysis 3/26/2007 Post a comment The cream of European telecom is gathered here in Milan for the C5 event this week, where Telecom Italia SpA is acting as the carrier host.
White LEDs warm up for indoor lighting Product News 3/21/2007 1 comment Cree Inc. has increased the brightness and efficiency of its XLamp XR-E and XLamp XR-C white light-emitting diodes by more than 20 percent, enough to making them suitable for indoor "warm white" lighting applications.
OPTEK, IRC deliver LED design kit Product News 3/20/2007 Post a comment OPTEK and IRC have developed a LED design kit for solid-state lighting designers. The kit features IRC's Anotherm aluminum substrates and OPTEK's 1-watt energy-efficient LEDs. Kits include lighting modules, assemblies, components and accessories.
OKI to sample FTTH laser with 15 mW optical output Product News 3/14/2007 Post a comment OKI has developed a 1490-nm wavelength semiconductor laser that can transmit up to 2.5 Gbits/s at an output level of 15 mW, which is said to be the industry's highest level over a temperature range of -40 degrees C to 85 degrees C.
Avanex sells majority stake in French III-V fabs News & Analysis 3/2/2007 Post a comment Optical components and modules maker Avanex Corporation is selling a 90 percent stake in its French subsidiary, which makes Indium Phosphide and Gallium Arsenide devices, to Global Research Company, a société à responsibilité limitée, owned by Alexandre Krivine, and to the current management of Avanex France S.A.
Blog Make a Frequency Plan Tom Burke 17 comments When designing a printed circuit board, you should develop a frequency plan, something that can be easily overlooked. A frequency plan should be one of your first steps ...