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VIAVI, Colt Complete 600G Wavelength Testing

Colt Technology Services has successfully completed provisioning 600G wavelengths, making Colt the first and only provider with the capability to transport 600G wavelengths in a long-haul live network in Japan.

This announcement follows the successful completion of a customer-facing 400G Wave live network trial in December 2020, and now in partnership with Ciena, Colt was able to leverage the latest flex grid technology to provision 600G connectivity across its long-distance network in Japan.

Masato Hoshino, Colt Technology Services President, and Head of Asia say: “The fact that Colt has succeeded with this 600G wavelength trial shows we are now ready to provide the highest bandwidth solutions available in the market.”

“Colt and Ciena have a strategic relationship based on mutual trust and joint innovation, and we couldn’t be more excited to continue on our journey together to keep raising the standard of the industry. We know the requirement for ultra-high bandwidth services is not going to slow down, and with Ciena’s technology, we can keep transforming the way our customers do business.”

Kazuyasu Takahashi, Vice President and General Manager, Ciena Japan, commented: “In today’s digital era, end-users across Japan increasingly demand high-quality and innovative digital experiences. Deploying Ciena enables Colt to adapt to new demands as they arise, constantly staying ahead of the game.”

Rajesh Rao, Vice President of the Asia Pacific and Japan, VIAVI, said: “We are honored to collaborate with industry leaders to break a new speed barrier. The pace of network growth continues unabated, and speeds such as 400G – which were in the lab just a few years ago – are now supported in our field instruments for deployment at scale.”

The live network trial was conducted between two Colt data centers and was made possible with Ciena’s market-leading WaveLogic 5 Extreme coherent optics, delivering scalability, intelligence and programmability into Colt’s IQ Network.

Also, VIAVI Solutions’ ONA-1000A and MTS-6000A OSA-610 were used in the trial for testing combinations of 400G and 100G Ethernet client end-to-end bit error-free traffic, and line-side optical spectrum health analysis, respectively.

Colt is now ready to offer commercial trials for 400G and is planning to roll out 400G optical connectivity in the second half of 2021- it looks forward to providing this innovative service to customers.


Aishwarya Saxena

A book geek, with creative mind, an electronics degree, and zealous for writing.Creativity is the one thing in her opinion which drove her to enter into editing field. Allured towards south Indian cuisine and culture, love to discover new cultures and their customs. Relishes in discovering new music genres.

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