Coherent Announces High-Performance Wire Grid Polarizers for Isolators in Datacom Transceivers
Rhea-AI Summary
Coherent (NYSE:COHR) has unveiled a breakthrough in wire grid polarizer (WGP) technology for optical isolators in datacom transceivers. The company achieved unprecedented performance with its new WGP featuring dual-sided anti-reflective coating, delivering a 50 dB extinction ratio and 98.5% efficiency.
The new technology, based on non-oxidizing gold meta-wires and optimized meta-optic designs, offers a scalable, reliable, and cost-effective solution for next-generation AI-ready optical networks. The polarizers support higher power levels in a smaller footprint, enabling high-density networking while integrating with polarization diversity and garnet-based components.
Positive
- Achieved industry-leading 50 dB extinction ratio and 98.5% efficiency in wire grid polarizers
- Developed scalable and cost-effective solution for next-generation AI-ready optical networks
- Enhanced power handling capability in smaller footprint for high-density networking
Negative
- Product still undergoing reliability testing before commercial release
News Market Reaction
On the day this news was published, COHR declined 1.01%, reflecting a mild negative market reaction.
Data tracked by StockTitan Argus on the day of publication.
SAXONBURG, Pa., Sept. 16, 2025 (GLOBE NEWSWIRE) -- Coherent Corp. (NYSE: COHR), a global leader in photonics, today announced the successful demonstration of a next-generation meta-wire based wire grid polarizer (WGP) designed for integration into optical isolators for high-speed datacom transceivers.
For the first time, a WGP with dual-sided anti-reflective coating has achieved 50 dB extinction ratio and
The rapid adoption of AI is driving demand for faster optical transceivers with advanced components like polarizers to ensure stable, high-quality signals. The new non-absorptive wire grid polarizer from Coherent supports higher power levels in a smaller footprint, enabling high-density networking while integrating seamlessly with our polarization diversity and garnet-based components.
"Our new wire grid polarizer sets a benchmark by guaranteeing the best absorptive polarizer performances at lower cost," said Steve Rummel, Senior Vice President, Engineered Materials at Coherent. "With non-oxidizing gold meta-wires and optimized meta-optic designs, we deliver unprecedented performance in this class, with the added benefit of high-power resilience for future applications.”
The wire grid polarizers are currently undergoing reliability testing and will be featured as part of Coherent technology showcase at ECOC 2025. Attendees are invited to visit the Coherent booth at C3124 to learn more about this breakthrough technology and explore how Coherent can power the future of datacom innovation.
About Coherent
Coherent is the global photonics leader. We harness photons to drive innovation. Industry leaders in the datacenter, communications, and industrial markets rely on Coherent’s world-leading technology to fuel their own innovation and growth.
Founded in 1971 and operating in more than 20 countries, Coherent brings the industry’s broadest, deepest technology stack; unmatched supply chain resilience; and global scale to help its customers solve their toughest technology challenges. Visit us at coherent.com.
Media Contact:
A photo accompanying this announcement is available at https://www.globenewswire.com/NewsRoom/AttachmentNg/37e58561-3eb2-4e9e-93bd-352c1970fe86
FAQ
What breakthrough did Coherent (COHR) announce in wire grid polarizer technology?
How does Coherent's new wire grid polarizer technology benefit AI applications?
What are the key features of Coherent's new wire grid polarizer?
When will Coherent showcase its new wire grid polarizer technology?
