Tackling the coming network crunch

A European Union research project is looking at ways to expand by one-hundredfold the capacity of an optical fibre. The project will need to develop techniques to exploit multimode and specialist fibre, and if successful, will require new fibre deployments in the network.

"In the end you run out of the ability to transmit more information along a single-mode fibre"

Ian Giles, Phoenix Photonics

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100 Gigabit for the metro

ADVA Optical Networking has launched a 100 Gigabit transmission card designed for metro wavelength-division multiplexing (WDM) applications.

The firm claims this is an industry first: a direct-detection-based 100 Gigabit-per-second (Gbps) design using four, 28Gbps channels rather than current 10x10Gbps schemes.

"Data centre operators want to make best use of the fibre insfrastructure and get lower overall cost, footprint and power consumption"

Jörg-Peter Elbers, ADVA Optical Networking

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The great data rate-reach-capacity tradeoff

Source: Gazettabyte

Optical transmission technology is starting to bump into fundamental limits, resulting in a three-way tradeoff between data rate, reach and channel bandwidth.

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Rational and innovative times: JDSU's CTO Q&A Part II

Brandon Collings, JDS Uniphase's CTO for communications and commercial optical products, talks about fostering innovation and what is coming after 100 Gigabit optical transmission. Part II of a Q&A with Gazettabyte.

"What happens after 100 Gig is going to be very interesting"

Brandon Collings (right), JDSU

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Q&A with JDSU's CTO

In Part 1 of a Q&A with Gazettabyte, Brandon Collings, JDS Uniphase's CTO for communications and commercial optical products, reflects on the key optical networking developments of the coming decade, how the role of optical component vendors is changing and next-generation ROADMs. 

"For transmission components, photonic integration is the name of the game. If you are not doing it, you are not going to be a player"

Brandon Collings (left), JDSU

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Q&A: Ciena’s CTO on networking and technology

In Part 2 of the Q&A, Steve Alexander, CTO of Ciena, shares his thoughts about the network and technology trends.

Part 2: Networking and technology

"The network must be a lot more dynamic and responsive"

Steve Alexander, Ciena CTO

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How ClariPhy aims to win over the system vendors

ClariPhy Communications will start volume production of its 40 Gig coherent IC in September and is working on a 28nm CMOS 100 Gig coherent ASIC. It also offers an ASIC design service, allowing customers to used their own IP as well as ClariPhy's silicon portfolio.

“We can build 200 million logic gate designs” 

Reza Norouzian, ClariPhy

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