Technology

Nokia’s new PSE-3 chipset pushes Shannon limit

The latest Photonic Service Engine (PSE) family of super-coherent digital signal processors, from Nokia, PSE-3, implements its probabilistic constellation shaping technique (developed two years ago) to push fibre-optic performance close to the Shannon limit.

Ranovus delivers direct detect optics for 200Gb/s DCI

Optical start-up Ranovus has announced general availability of its 200G on-board optics and CFP2 direct detect transceivers. It plans to demonstrate both devices in partnership with ADVA Optical Networking at the upcoming OFC Exhibition in San Diego, California.

Hyperoptic 'sets speed record' with London 2012 Athletes' Village trial

Hyperoptic has carried out a trial of fast home broadband - touching 10Gb/s - at East Village, the site of the London 2012 Athletes’ Village. The company was able to demonstrate speeds it says are some 276 times faster than the average speed a UK consumer receives today, to a UK home, using an existing service provider network, rather than a new, dedicated line.

Nokia and Qualcomm complete key tests, widescale 5G deployments expected next year

Nokia and Qualcomm have successfully completed standard-compliant key interoperability tests in the 3.5GHz and 28GHz spectrum, using the Nokia AirScale base station and device prototypes from Qualcomm Technologies.

Following these recent tests, and the agreement in September last year that they would collaborate on 5G new radio (NR), the businesses say that widescale 5G deployments could take place in 2019. This will be timely for commercial network launches in the United States, China, Japan, Korea and Europe.

Verizon celebrates successful 400Gb/s field trial

Verizon has completed a successful field trial delivering live 400Gb/s Ethernet traffic on a single wavelength between MPLS Core routers over its packet-optical network.

The trial demonstrated the interoperability between equipment from two different suppliers – Ciena and Juniper – alongside the capability to quadruple the typical capacity carried on one wavelength.

Silicon photonics to capture almost $4 billion of optical transceivers market by 2025

Silicon photonics is on the verge of experiencing dramatic uptake in optical transceivers, market research firm Yole Développement has reported, with the technology set to capture 35 per cent – almost $4 billion – of the optical transceiver market by 2025, up from just a few per cent in 2016.

The transceivers are expected to be used mostly for intra-data centre communication, according to Yole, with the strongest demand being for 400G (400 Gigabits per second), and 200G acting as an intermediate step between 100G and 400G.

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