OFC 2020:800g Optical Transmission Technology Has Attracted Much Attention

According to light reading, although there are many concerns before the launch, and many well-known optical communication manufacturers have announced their withdrawal, the annual optical communication industry event OFC is still held in San Diego, USA.

Light reading said that their team did not attend the meeting and expressed regret, because according to the latest report released by Dell 'Oro, the optical transmission equipment market performed well in 2019, with an increase of 6%, which could have been celebrated with colleagues in the industry on site.

â–² source: light reading

At this week's exhibition, many new trends and topics were discussed, but 800g optical transmission always ranked first. To this end, light reading has sorted out the announcement summary on 800g products recently released by the main participants of optical and IP transmission.

Ciena announced last week that its first quarter revenue rose 7% year-on-year. The company has been promoting its single wavelength 800g and 600g business recently, and has successfully tested the feasibility of the product through Verizon and Comcast.

Ciena also conducted its 400gb Ethernet interoperability test with arista. The test passed ciena's waveserver 5 interconnection platform and was supported by ciena's wavelogic 5 extreme (wl5e) coherent optical device and Arista's 7280dr3 router. Objectively speaking, this is attractive to various network operators who want to take data center interconnection (DCI) links to a new level.

800g is also the forefront and focus of Huawei. At present, Huawei is testing on the existing transmission network of Turkey turkcell and China Mobile. Meanwhile, Huawei recently launched optixtreme H7, an 800g dimmable module developed by its subsidiary Hisilicon semiconductor.

Infinera is also a member of the "800g Technology Club" and recently announced that it will realize 800g single wavelength transmission over 800 km on Corning's TXF fiber through its ice6 technology and digital coherent optical module.

Inphi said that they are sampling the new spica 800g 7Nm pam4 DSP. It is said that this is the first 800gbit / S (or 8x100gbit / s) pam4 DSP in the industry, which can enable the 800g optical module to support the package size of qsfp-dd800 or OSFP.

Nokia does not have much discussion on the progress of technology, but if Nokia is on the site of OFC, it will talk about how the Japanese operator Rakuten mobile deploys the Nokia 1830 photonic service switch in long-distance and metropolitan optical networks to realize the return and interconnection applications of data centers.

Intel said that it had "successfully integrated its 1.6 Tbit. S Silicon photon engine with 12.8 Tbit / s programmable Ethernet switch." the solution brings together the key technical foundation of Intel and its barefoot networks division into one Ethernet switch. This excites large data center operators.

Although 800g is a major topic, the demand growth of optical component companies will still be dominated by 400g. Acacia is being acquired by Cisco and recently reported a 37% jump in full year revenue. Acacia said that a variety of variants of 400g pluggable optical modules are being sampled. These modules are suitable for a variety of network operator applications, including data center interconnection.

II-VI completed its $3 billion acquisition of Finisar last year. It was announced last week that it will provide the first pluggable optical line subsystem platform of 400zr coherent optical module for DCI market. It also released 400g cfp2-dco, which "supports high-performance 400 Gbit / s coherent transmission in pluggable form", and 64 gbaud integrated coherent transceiver optical subassembly (ic-trosa) for 400zr DCI deployment.

Third party optical component developer prolabs has launched a new transceiver qsfp28-dd 2x100g, which aims to help network operators "increase port density, solve interoperability problems between current and future infrastructure, and minimize infrastructure investment".

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