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Tag: Capacity

Shannon Limit

Closing the Gap with the Shannon Limit!

26 September 2018 Bertrand Clesca Subsea Cable Systems, Technical Papers

Where are we at with closing the gap with the Shannon limit that sets an absolute upper limit on fiber capacity per bandwidth unit?

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Undersea Data Center

Undersea Data Center: Second Test by Microsoft!

7 June 2018 Bertrand Clesca Data Centers

Microsoft sunk again an undersea data center, this time collocated with marine renewable energy site in Scotland’s Orkney Islands.

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Latest Optical Transport Technology News

A Pick of the Latest Optical Transport Technology News

14 March 2018 Bertrand Clesca Optical Networking

Every year the OFC conference is a big opportunity for equipment and component suppliers to share their latest optical transport technology news.

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Article – Options for Increasing Subsea Cable System Capacity

5 December 2017 Bertrand Clesca Subsea Cable Systems, Technical Papers

This article from OpticalCloudInfra, published in November 2017 Issue of Submarine Telecoms Forum, talks about subsea cable system capacity maximization.

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Maximizing Subsea Cable System Capacity: Recent Lab Demos and Field Trials (4/4)

21 September 2017 Bertrand Clesca Subsea Cable Systems, Technical Papers

Combining multiple advanced technologies, recent lab demos and field trials demonstrate impressive increase in subsea cable system capacity.

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Getting Closer to the Shannon Limit with Constellation Shaping (3/4)

4 August 2017 Bertrand Clesca Subsea Cable Systems, Technical Papers

Constellation shaping is a way to outperform conventional modulation schemes capacity wise and to operate subsea cable closer to the Shannon limit.

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What Are the Options for Increasing Subsea Cable System Capacity? (2/4)

23 July 2017 Bertrand Clesca Subsea Cable Systems, Technical Papers

Various multiplexing options are available for increasing subsea cable system capacity and lowering the cost per transported bit as well.

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Shannon Limit

Shannon Limit Sets the Upper Bar in Optical Networks (1/4)

9 July 2017 Bertrand Clesca Subsea Cable Systems, Technical Papers

In a theory developed in the 40s, the Shannon limit provided a fundamental law that still governs the maximal capacity of modern coherent optical networks.

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A Pick of the Latest Optical Transport Technology News

24 March 2017 Bertrand Clesca Optical Networking, Subsea Cable Systems

Every year the OFC conference is a big opportunity for equipment and component suppliers to share their latest optical transport technology news.

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47 Tbit/s Capacity per Fiber Pair!

26 February 2017 Bertrand Clesca Subsea Cable Systems

C+L repeater technology will deliver in 2018 up to 47 Tbit/s capacity per fiber pair (i.e. 282 Tbit/s subsea cable system capacity over regional distances).

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Recent Posts

  • When the Cloud Funds Subsea Cable Systems – Update
  • Closing the Gap with the Shannon Limit!
  • When the Cloud Funds Subsea Cable Systems – Update
  • Undersea Data Center: Second Test by Microsoft!
  • Single-Wavelength 400G Transmission Over 6,000 km

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64QAM 100G 400G 600G Bandwidth Branching Units Capacity Cloud Coherent Dark Fibers Data Centers DCI EDFA ICPs Infrastructure IP Transit Latency Long Haul NFV Open Systems Optical Amplification Optical Fibers Optical Networking OTTs Power Raman Repeaters SDN Subsea Cable Systems Traffic
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