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Power Efficiency in Data Centers: How Coherent's 100G ZR+ Technology Reduces Carbon Footprints

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Written by: EPS Global 5/28/2024

In the rapidly evolving landscape of data centers, power efficiency has become a critical focus. As data centers expand to meet the growing demands of cloud computing, AI, and big data, their energy consumption has surged, leading to increased operational costs and environmental impact. The push for greener, more sustainable data centers is not just a trend but a necessity. Coherent, a leader in optical technologies, is at the forefront of this movement, offering innovative solutions that significantly reduce power consumption while maintaining high performance.

Understanding 100G ZR+ Technology

Coherent's 100G ZR+ technology represents a significant leap in optical networking. This technology offers a tunable 100-gigabit optic, a substantial upgrade from the industry-standard 10-gig tunable optics. The FTLC3351S3PL1 provides enhanced performance and flexibility, making it ideal for edge connections in rural and underserved areas. Its design is centered around a CMOS electrical interface, which ensures seamless integration with existing network equipment. This advancement not only boosts data transmission rates but also simplifies network architecture, reducing the need for additional hardware.

Coherent’s 100G ZR+ QSFP28 Digital Coherent Optics (DCO) transceiver is the first coherent transceiver available in a standard QSFP28 form factor, with a power dissipation that is less than half that of competing solutions. Built around Coherent’s Steelerton DSP, the 100G ZR+ QSFP28-DCO transceiver is fully compliant with the IEEE 802.3™-2022 100GBASE-ZR standard, ensuring interoperability with other solutions. The Steelerton DSP is the first purpose-built DSP for 100G ZR applications, optimized for the lowest power dissipation and smallest size.

Low Power Consumption: A Game Changer

One of the standout features of Coherent's 100G ZR+ technology is its remarkably low power consumption. Operating at a maximum of 5.5 watts, this technology fits perfectly into existing QSFP switch slots without requiring additional power provisioning. This low power usage is a game changer, especially when compared to the 20-watt consumption of typical 400G DCO transceivers. By significantly reducing the power required for data transmission, Coherent's 100G ZR+ technology helps data centers lower their energy bills and operational costs.

In the QSFP28 module, the DSP is paired with a highly efficient silicon photonics optical front-end and a power-optimized tunable laser, resulting in a typical module power dissipation of less than 5W. This allows the module to be deployed on virtually any switch or router with 100G ports, enabling network operators to deploy 100G DWDM interfaces without investing in expensive transport equipment or higher-cost switches or routers with QSFP-DD ports.

Sustainability and Carbon Footprint Reduction

The reduced power consumption of Coherent's 100G ZR+ technology directly contributes to sustainability efforts in data centers. Lower energy usage translates to a smaller carbon footprint, aligning with global initiatives to combat climate change. Data centers adopting this technology can achieve substantial reductions in their environmental impact. For instance, a data center using multiple 100G ZR+ modules can see a marked decrease in overall power consumption, leading to fewer greenhouse gas emissions. This aligns with corporate sustainability goals and regulatory requirements.

To facilitate deployment in a wide variety of edge network locations, including street cabinets or pole mount enclosures, the 100G ZR QSFP28-DCO module will also be offered in a version that supports industrial temperature ranges. This flexibility ensures that the technology can be used in diverse environments, further enhancing its sustainability credentials.

Integration with Existing Network Equipment

A key advantage of the 100G ZR+ technology is its compatibility with existing network infrastructure. The technology uses the SFF-8636 from the QSFP form factor, ensuring it can be easily integrated into current systems without extensive modifications. This backward compatibility is crucial for data centers looking to upgrade their capabilities without overhauling their entire network. By fitting seamlessly into existing setups, Coherent's 100G ZR+ technology offers a cost-effective and efficient path to enhanced performance and power efficiency.

The module also offers value-add software features like Flextune™ automatic wavelength configuration, where the transceiver autonomously searches for the right wavelength that allows end-to-end connectivity across the DWDM network, enabling zero-touch provisioning with significant OpEx savings. Additionally, remote digital diagnostics allow a transceiver in a central office location to access the digital diagnostics of the transceiver at the remote end of the link, feeding that information back to the network management system without the need for a separate supervisory channel.

Future Trends in Optical Networking

The introduction of 100G ZR+ technology is just the beginning. As data centers continue to evolve, the demand for higher bandwidth and lower power consumption will drive further innovations in optical networking. Coherent is already working on next-generation technologies, such as 200G per lane optics, which promise even greater efficiencies and performance. These advancements will enable data centers to handle increasing data loads while maintaining sustainable operations. The future of optical networking lies in continuous innovation, and Coherent is poised to lead the way.

Conclusion

Coherent's 100G ZR+ technology represents a significant advancement in the quest for power-efficient data centers. By offering high performance with low power consumption, this technology addresses both operational and environmental challenges. Its compatibility with existing network equipment ensures a smooth transition for data centers looking to upgrade. As the industry moves towards more sustainable practices, Coherent's innovations will play a crucial role in shaping the future of optical networking. Embracing these technologies is not just beneficial but essential for the next generation of data centers.

For more information on Coherent's FTLC3351S3PL1 100G ZR+ transceiver, or to discuss your upcoming project, contact us today.

Power Efficiency in Data Centers: How Coherent's 100G ZR+ Technology Reduces Carbon Footprints

In the rapidly evolving landscape of data centers, power efficiency has become a critical focus. As data centers expand to meet the growing demands of cloud computing, AI, and big data, their energy consumption has surged, leading to increased operational costs and environmental impact. The push for greener, more sustainable data centers is not just a trend but a necessity. Coherent, a leader in optical technologies, is at the forefront of this movement, offering innovative solutions that significantly reduce power consumption while maintaining high performance

In the rapidly evolving landscape of data centers, power efficiency has become a critical focus. As data centers expand to meet the growing demands of cloud computing, AI, and big data, their energy consumption has surged, leading to increased operational costs and environmental impact. The push for greener, more sustainable data centers is not just a trend but a necessity. Coherent, a leader in optical technologies, is at the forefront of this movement, offering innovative solutions that significantly reduce power consumption while maintaining high performance


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