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Architecting network and operations success in the AI era

Ciena acquires Nubis Communications to expand inside the data center strategy and further address growing AI workloads

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AI is rewriting the rules

What it means for all network operators

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Deep expertise you can count on

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Bringing humanity to innovation

At our core, we're passionate about powering networks and empowering our communities. Learn more about who we are—beyond the technology we design.
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Digital and cyber security abstract

blog

A well-defended and resilient security operation: Strength built on trust, people, and purpose

When it comes to cybersecurity, the finish line keeps moving. Threats get faster, rules become more complex, and the expectations are higher than ever. At Ciena, we’re not chasing the finish line, we’re redefining it. Senior Director of Security Operations Chad Hunt explains.

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Press Release

Constl & Ciena Achieve Breakthrough 1 Tbps Transmission Across 1,450 km Long-Haul Network Using WaveLogic 6 Extreme

• Constl becomes India’s first digital infrastructure provider to successfully test and deploy a record-breaking 1 Tbps line rate over long-haul distance • WL6e further strengthens Constl’s ambition to be the network of choice for hyperscalers in India • This upgrade delivers a strong competitive edge by increasing wavelength capacity and reducing overall operational costs

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White Paper

Zero-trust optical transport: A tiered architecture for metro network resilience

Unlock uninterrupted metro performance with Microsoft and Ciena. Discover a zero-trust approach to resilient optical transport.

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Earnings

Q4 and year end 2025 Financial Results

December 11, 2025, 7:00 AM ET

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