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posted in March 2008
Optical networking startup raises $8.3 million
News & Analysis  
3/31/2008   Post a comment
Startup Xtellus Ltd. (Morris Plains, New Jersey), a supplier of scalable Wavelength Selective Switches (WSS) for reconfigurable optical networks, has raised $8.3 million in growth capital.
Hyper-entangled photons claim bit-encoding record
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3/26/2008   Post a comment
Using the quantum mechanical principle of hyper-entanglement, researchers say they can encode up to 2.81 bits per photon to increase the channel capacity of satellite data communications by more than 3.5 times.
Ixthus : Laser triangulation position sensor has high-speed CANbus
Product News  
3/26/2008   Post a comment
Manufactured by Riftek, the RF603 laser triangulation sensor with a CANbus interface is capable of fast 1 Mbits/s position feedback over a measurement range from 2 to 1000 mm.
15-MBd digital optocouplers support dual voltages, wide temperature range
Product News  
3/20/2008   Post a comment
Avago Technologies has introduced a new family of high-speed dual-supply voltage digital optocouplers that operate at a minimum speed of 15 MBd and support the industry's typical widest operating temperature range.
ITC to hear complaint about LED / LD patent infringements
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3/20/2008   Post a comment
The U.S. International Trade Commission has agreed to hear a case filed by a former Columbia University professor with a 50-year engineering career, Gertrude Neumark Rothschild, who has accused 34 companies including Nokia, Sony, Motorola, and Samsung of infringing her patents for LEDs and laser diodes.
Cheap photonic devices production in sight
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3/19/2008   Post a comment
Researchers at AMO GmbH and the Institute of Semiconductor Electronics at RWTH Aachen (both Aachen, Germany) have developed a cheap method to produce resonant photonic devices on silicon-on-insulator substrate.
15 MBd digital optocoupler supports dual supply voltages
Product News  
3/19/2008   Post a comment
Avago Technologies has developed a family of high-speed dual-supply voltage digital CMOS optocouplers that support a wide operating temperature range of -40°C to +105°C to withstand harsh industrial environments.
OLED lighting technology achieves new levels of efficiency
Product News  
3/17/2008   Post a comment
OSRAM has achieved record values of efficiency and lifetime while maintaining the brightness of warm white organic light emitting diodes (OLEDs). For the first time, laboratory researchers have demonstrated it is possible to improve two crucial OLED characteristics simultaneously: efficiency and lifetime.
Luminus raises $72 million in Round E
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3/17/2008   Post a comment
Luminus Devices Inc., a developer of solid-state display backlight technology, has raised over $72 million in Series E funding.
SMD LEDs offer low resistance, high optical power
Product News  
3/14/2008   Post a comment
Vishay Intertechnology has released two series of warm white power SMD LEDs that use InGan technology to offer low resistance and high optical power.
German chip market to continue growth, ZVEI says
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3/13/2008   Post a comment
The German industry association ZVEI expects the local semiconductor market to grow in 2008 at a rate of 4 percent - if valued in euros. In dollar terms however, the growth rate is highly unclear.
GE devises LEDs on roll-to-roll process
Product News  
3/12/2008   Post a comment
GE claims to have demonstrated the world's first roll-to-roll manufactured organic light-emitting diode (OLED) lighting devices.
Programmable LED driver targets automotive applications
Product News  
3/12/2008   Post a comment
Maxim's high-voltage, high-brightness LED driver for automotive and general lighting applications provides many user-programmable features through on-chip nonvolatile EEPROM registers.
Retina implant receives signals, energy wirelessly
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3/12/2008   Post a comment
Scientists of the Aachen university clinic and the Fraunhofer Institute for Microelectronic Circuits have developed a retina implant that that wirelessly receives optical signals from the outside. The development aims at a technology to restore eyesight for blind persons.
Brazilian optical gear maker acquires Israeli startup
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3/10/2008   Post a comment
Optical network gear maker Padtec S/A (Campinas, Brazil) has acquired Civcom Ltd. (Petah Tikva, Israel), an optoelectronic module manufacturer.
Under the Hood: The next gold rush - solar power
3/10/2008   3 comments
In December 2007, more than 1,500 participants from industry, academia, and military and government institutions converged on Fukuoka, Japan, to attend the Seventeenth Annual Photovoltaic Science and Engineering Conference (PVSEC).
High-resolution analog-output encoders operate in harsh environments
Product News  
3/7/2008   Post a comment
Micronor has introduced its ENA361M (hollow shaft) and ESA361M (solid shaft) series of high-resolution analog-output encoders for industrial automation and process control applications.
Zinwave raises $10 million in Round B
News & Analysis  
3/6/2008   Post a comment
Zinwave, a start-up focusing on wideband active distributed systems based on multi-mode or single mode fibre-optic cables and targeted at extending in-building cellular and wireless access, has raised $10 million in a B-round funding.
Plugging the laser gap
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3/3/2008   Post a comment
Researchers at Binghamton University claim to have devised a strategy to bridge the lasing gap with new materials and architectures that could enable applications not now possible.

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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