Luxtera's 100 Gigabit silicon photonics chip

Luxtera has detailed a 4x28 Gigabit optical transceiver chip. The silicon photonics company is aiming the device at embedded applications such as system backplanes and high-performance computing (HPC). The chip is also being used by Molex for 100 Gigabit active optical cables. Molex bought Luxtera's active optical cable business in January 2011.

“Do I want to invest in a copper backplane for a single generation or do I switch over now to optics and have a future-proof three-generation chassis?”  

Marek Tlalka, Luxtera

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The InfiniBand roadmap gets redrawn

The InfiniBand Trade Association (IBTA) has announced a new roadmap for the low latency bi-directional link. What was Eight Data Rate InfiniBand will now be known as Enhanced Data Rate (EDR) and be upgraded from 20Gbps to 26Gbps per channel. EDR will deliver a 104Gbps data rate in a four-channel InfiniBand (4x) implementation and 312Gbps when used as a 12-channel (12x) interface.

“We can already demonstrate in silicon a 30Gbps transmitter."

Marek Tlalka, Luxtera

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