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Entries in Huawei (16)


Books in 2018 - Part 2

Some more books consumed in 2018, as recommended by Maxim Kuschnerov and Andrew Schmitt.

Maxim Kuschnerov, senior R&D manager at Huawei.

It is hard to believe the book Fire and Fury: Inside the Trump White House by Michael Wolff was published in 2018. Judging by what has happened since Trump’s inauguration, this recollection of his first days in the White House seems outdated. But it was fun to read while the memory of the election was still fresh. It is hard to judge whether all the book’s sources are truthful but the main message is certainly not too far off.

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400ZR will signal coherent’s entry into the datacom world  

  • 400ZR will have a reach of 80km and a target power consumption of 15W 
  • The coherent interface will be available as a pluggable module that will link data-centre switches across sites    
  • Huawei expects first modules to be available in the first half of 2020
  • At OFC, Huawei announced its own 250km 400-gigabit single-wavelength coherent solution that is already being shipped to customers

Coherent optics will finally cross over into datacom with the advent of the 400ZR interface.  So claims Maxim Kuschnerov, senior R&D manager at Huawei.

Maxim Kuschnerov400ZR is an interoperable 400-gigabit single-wavelength coherent interface being developed by the Optical Internetworking Forum (OIF) {add link}.

The 400ZR will be available as a pluggable module and as on-board optics using the COBO specification {add link}. The IEEE is also considering a proposal to adopt the 400ZR specification, initially for the data-centre interconnect market. “Once coherent moves from the OIF to the IEEE, its impact in the marketplace will be multiplied,” says Kuschnerov. 

But developing a 400ZR pluggable represents a significant challenge for the industry. “Such interoperable coherent 16-QAM modules won’t happen easily,” says Kuschnerov. “Just look at the efforts of the industry to have PAM-4 interoperability, it is a tremendous step up from on-off keying.” 

Despite the challenges, 400ZR products are expected by the first half of 2020.

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Telefónica tackles video growth with IP-MPLS network  

  • Telefónica’s video growth in one year has matched nine years of IP traffic growth 
  • Optical mesh network in Barcelona will use CDC-ROADMs and 200-gigabit coherent line cards 

Telefónica has started testing an optical mesh network in Barcelona, adding to its existing optical mesh deployment across Madrid. Both mesh networks are based on 200-gigabit optical channels and high-degree reconfigurable add-drop multiplexers (ROADMs) that are part of the optical infrastructure that underpins the operator’s nationwide IP-MPLS network that is now under construction.

Maria Antonia CrespoThe operator decided to become a video telco company in late 2014 to support video-on-demand and over-the-top streaming video services.

Telefónica realised its existing IP and aggregation networks would not be able to accommodate the video traffic growth and started developing its IP-MPLS network.

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Huawei joins imec to research silicon photonics

Huawei has joined imec, the Belgium nano-electronics research centre, to develop optical interconnect using silicon photonics technology. The strategic agreement follows Huawei's 2013 acquisition of former imec silicon photonics spin-off, Caliopa.


Source: Gazettabyte

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Is the tunable laser market set for an upturn?

Part 2: Tunable laser market

"The tunable laser market requires a lot of patience to research." So claims Vladimir Kozlov, CEO of LightCounting Market Research. Kozlov should know; he has spent the last 15 years tracking and forecasting lasers and optical modules for the telecom and datacom markets.

Source: LightCounting, Gazettabyte

The tunable laser market is certainly sizeable; over half a million units will be shipped in 2014, says LightCounting. But the market requires care when forecasting. One subtlety is that certain optical component companies - Finisar, JDSU and Oclaro - are vertically integrated and use their own tunable lasers within the optical modules they sell. LightCounting counts these as module sales rather than tunable laser ones.

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Optical transceiver market to grow 50 percent by 2017

  • The optical transceiver market will grow to US $5.1bn in 2017
  • The fierce price declines of 2012 will lessen during the forecast period
  • Stronger traffic growth could have a significant positive effect on transceiver market growth


"The price declines in 2012 were brutal but they will not happen again [during the forecast period]"

Vladimir Kozlov, LightCounting




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China and the global PON market

China has become the world's biggest market for passive optical network (PON) technology even though deployments there have barely begun. That is because China, with approximately a quarter of a billion households, dwarfs all other markets. Yet according to market research firm Ovum, only 7% of Chinese homes were connected by year end 2011. 


"In 2012, BOSAs [board-based PON optical sub-assemblies] will represent the majority versus optical transceivers for PON ONTs and ONUs"

Julie Kunstler, Ovum

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