PPLN Heritage

Covesion researches, develops and manufactures magnesium doped, periodically poled lithium niobate (MgO:PPLN) crystals and waveguides for highly efficiency non-linear frequency conversion.

Established in 2009 as a spin-out company from the University of Southampton, Covesion is now privately owned.

We have an unrivalled international reputation for our products, built upon our team’s many years’ experience in the manufacture of PPLN frequency conversion products, selling to both R&D and OEM customers. We stock crystals and waveguides as well as designing and manufacturing custom chips for specific customer applications.

Why Choose Covesion

Our Team

Our optoelectronic engineers, product development specialists and research scientists here at Covesion are committed to ongoing innovation in the field of photonics. Hand picked from academia and industry, our rapidly expanding team work in close collaboration with our customers and industry partners to ensure that we continually design and manufacture world leading PPLN technologies.

Mike Day


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Corin Gawith


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Dr. Stuart Coomber

Global Head of OEM Sales

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Karl Morris

Head of Production

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Lewis Smith

Business Development Manager

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Why Choose Covesion

MgO:PPLN is ideal for cutting-edge laser applications due to its high effective nonlinear coefficient; allowing for high efficiency frequency conversion across multiple different mechanisms.

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Our Customers & Partners

At Covesion, we strive to generate superior value and service for our clients. Find out how…

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Covesion has a team of committed scientists who are focused on ground-breaking research and development in the field of MgO:PPLN for the benefit of our customers and the wider photonics industry.

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