Ciena, also known as Ciena Corporation, is a publicly owned company headquartered in the US. Founded in 1992, it employs approximately 9,080 individuals and reported $4.8B in revenue as of 2025, operating as a tier 1 media tech buyer. The company specializes in fibre access, providing network hardware, software, and services that support the transport, switching, aggregation, service delivery, and management of video, data, and voice traffic on communications networks.

2025 Revenue

Founded

1992

Headcount

9,078

Headquarters

US

Primary Segment

Fibre access

Ownership

Publicly Owned

Deployments

61

News Summary:

Ciena and Quantum Computing Inc. jointly demonstrated 1.6 Tb/s quantum-secure optical networking at OFC 2026 on March 20, integrating quantum key distribution, quantum authentication, and post-quantum cryptography on Ciena’s Waveserver platform. Earlier that day, Ciena and Meta announced a record transmission speed of 800 gigabits per second (Gb/s) over 16,608 kilometers of transpacific fiber optic cable, driven by the increasing demand for data from artificial intelligence and cloud computing. This follows Malaysia-based Time dotCom's (Time) deployment of Ciena’s optical technology across the 9,000 km FASTER cable system, connecting facilities in Japan to the United States and positioning Time as a gateway between international businesses and customers in Asia-Pacific.

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Ciena offers 9 products in the telecoms tech and media tech industries. Ciena's product portfolio comprises of telecoms network infrastructure, enterprise and telecoms software, fibre access and connectivity and distribution services.
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Ciena's revenues were $4.8B in 2025. Caretta Research has split Ciena's revenue into 6 different product categories, the largest of which is oNTs, which represents 58% of Ciena's revenue.
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Ciena's customers primarily consist of telecoms companies. Examples of Ciena's customers include Vodafone, Telefonica and BT Group. Ciena has commercial and technical partners like Samsung Device eXperience, Telus and Comcast Corporation.

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