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posted in February 2008
Multi-chip LED modules integrate eight RGB chips
Product News  
2/29/2008   Post a comment
Allegro MicroSystems has released the SEPM series of RGB multi-chip LED modules that provide a range of high-powered ALGaInP red, and InGaN green and blue LEDs.
Power PLCC-4 LEDs offer more colors
Product News  
2/29/2008   Post a comment
Avago has added four new colors -- cool white, warm white, blue and green -- to its family of super half-watt power PLCC-4 surface-mount LEDs for automotive and electronic sign applications.
Silicon photonics goes mainstream
News & Analysis  
2/27/2008   Post a comment
Silicon photonics is ready for prime time, according to presenters at the Optical Fiber Communication Conference and Exposition.
Bookham plans modulator-tunable laser combo for 40G
News & Analysis  
2/26/2008   Post a comment
Optical component group Bookham, Inc. is demonstrating at this week's OFC in San Diego a tiny, 5mm 40Gbits/s Optical Differential Quadrature Phase Shift Keying (ODQPSK) modulator chip.
Phyworks beats the 10G Ethernet drum with EDC chip
News & Analysis  
2/26/2008   Post a comment
Communications chip specialist Phyworks (Bristol, England) is launching at the Optical Fibre Communications expo in San Diego, California, a CMOS retimer with EDC that offers 10G Ethernet performance in legacy fibre infrastructure as well as laser driver for small form factor modules operating at between125Mbit/second and 1.25Gbit/second.
IMEC claims GaAs solar cell advance
News & Analysis  
2/25/2008   Post a comment
Belgian research organization IMEC is claiming a major breakthrough in solar cell conversion efficiency using GaAs solar cells on germanium substrates.
Startup debuts low power 10G optical module
News & Analysis  
2/25/2008   Post a comment
Lightwire Inc. is sampling an optical transceiver based on a novel CMOS design, claiming lower power and size than competing alternatives for the 10GBase-LRM device it will demo at the Optical Fiber Conference.
Given Imaging's Q4 revenue jumps 25%
News & Analysis  
2/22/2008   Post a comment
Revenues of Given Imaging Ltd. (Yoqneam, Israel), a startup that supplies a camera which can be swallowed to obtain pictures of the digestive tract, increased 24.8 percent to $34.2 million compared to $27.5 million in the fourth quarter of 2006.
Groups link for millimeter wave comms development
News & Analysis  
2/20/2008   Post a comment
Photonic communications specialist Lumera Corporation is teaming with wireless transceiver group Asyrmatos to develop millimeter wave communication systems.
Gennum debuts integrated optical device for 10G Ethernet
Product News  
2/19/2008   Post a comment
Gennum Corp. is using technology acquired from SiGe Semiconductor in 2004 to demonstrate fully-integrated receive optical subassemblies.
Q-Cells builds solar cell production line in Malaysia
Product News  
2/19/2008   1 comment
Solar cell manufacturer Q-Cells (Bitterfeld-Wolfen, Germany) has decided to erect a new production line in Malaysia and to expand the thin film module production in its Calyxo subsidiary. The move widens Q-Cells head start in the solar cell business.
Optical interconnect startup raises $10 million
News & Analysis  
2/19/2008   Post a comment
IPtronics A/S (Roskilde, Denmark), a start up focusing on silicon for parallel optical applications, has closed a Series B round worth $ 10.25 million, to be used for further developments of its technology and expansion of global sales.
Dolphin unveils 32-bit CPU for ultra low power apps
News & Analysis  
2/5/2008   Post a comment
Dolphin Integration SA, French provider of embedded memories and audio converters in the form of intellectual property cores, has introduced a 32-bit processor for system-on-chip embedded control applications including power management.


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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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