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Silicon Photonics

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Entries in chip-to-chip interconnect (2)

Tuesday
Mar082016

Silicon photonics adds off-chip comms to a RISC-V processor

A group of researchers have developed a microprocessor that uses silicon photonics-based optics to send and receive data.

"For the first time a system - a microprocessor - has been able to communicate with the external world using something other than electronics," says Vladimir Stojanovic, associate professor of electrical engineering and computer science at the University of California, Berkeley. 

 

Vladimir Stojanovic

The microprocessor is the result of work that started at MIT nearly a decade ago as part of a project sponsored by the US Defense Advanced Research Projects Agency (DARPA) to investigate the integration of photonics and electronics for off-chip and even intra-chip communications.  

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Friday
Feb012013

Achieving 56 Gigabit VCSELs

A Q&A with Finisar's Jim Tatum, director of new product development. Tatum talks about the merits of the vertical-cavity surface-emitting laser (VCSEL) and the challenges to get VCSELs to work at 56 Gigabit.

Briefing: VCSELs


VCSELs galore! A wafer of 28 Gig devices Source: Finisar

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