Visible Phase Modulators
Covesion’s visible phase modulators deliver broadband, high-speed electro-optic performance, enabling operation at shorter wavelengths with increased optical power handling compared to conventional telecom devices. Available in fiber-coupled configurations, they offer low-loss, compact integration with optimized waveguide design, supporting reliable, application-specific performance across visible and near-infrared photonics systems.
Visible Amplitude Modulators
Covesion’s visible amplitude modulators provide high-speed, fiber-coupled amplitude modulation across visible and near-infrared wavelengths, enabling precise control of optical intensity. Designed for low Vπ, low insertion loss, and high extinction ratio, these compact, integration-ready devices extend modulation beyond telecom bands, supporting emerging applications in quantum technologies, sensing, and advanced photonics systems.
Telecom Modulators
Covesion’s telecom modulators deliver reliable, high-performance electro-optic modulation at telecom wavelengths, engineered for low insertion loss, low Vπ, and minimal residual amplitude modulation. Designed for operation at 100’s of MHz, they support demanding applications including fiber sensing and precision metrology, with fiber-coupled, integration-ready formats and customizable solutions tailored to specific wavelength and performance requirements.
Custom Modulator Solutions
Covesion’s custom modulator solutions are developed in collaboration with customers to meet specific wavelength, speed, and integration requirements. Combining in-house expertise in waveguide design, RF electrode engineering, and advanced packaging, these solutions support applications from research to OEM production, delivering tailored performance where standard devices are not suitable.
Precise, reliable control of light from UV to telecom wavelengths, in configurations suited to both research and OEM integration.
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What our clients say about us
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Dr Pier Sazio
University of Southampton, United Kingdom, Senior Research Fellow, Optoelectronics Research Centre
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Eric Olaf Potma
University of California, Irvine, California, USA, Associate Professor, Chemistry School of Physical Sciences
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Ray Illa
Spectra-Physics (a Newport Company), Santa Clara, California, USA, Senior Technical Support Engineer
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Professor Romain Quidant
ICFO, Spain
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The wide tuning range of our Radiantis OPO system has allowed us to access wavelength regimes that have enabled a number of nonlinear optics experiments that would otherwise not have been possible. Radiantis have been very responsive and any problems have always been dealt with swiftly, with engineers being sent over to our lab for extended visits whenever required.
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The Radiantis OPO delivers a clean, stable output with a tunable range that exceeds our experimental needs. With average power levels of several hundred milliWatts, we have never been limited by power, enabling several experiments that we previously thought were impossible. Knowing that the system delivers within moments after startup every morning, every day of the week, has made our work so much easier. With the Radiantis OPO as a dependable light source, we have been able to spend our time on carrying out optical experiments and to push the limits in nonlinear optical microscopy.
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The SeaWave offers the portability, resolution, and ease of use for the active field engineer that requires a tool to investigate laser optics.
It has the operating bandwidth needed for laser applications into the deep IR in both spectroscopic, and microscopic tools that are on the cutting edge of investigation.
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Radiantis were very flexible with our requirements and perfectly matched to our technical needs and budget. Radiantis OPO has enabled us to carry out advanced optical characterisation of our systems across the UV, Visible and IR, and has proven to be a very reliable and easy-to-use system, delivering high and stable power and fast automated tuning across the complete spectral range. Radiantis team were very friendly and provided a professional and comprehensive user training to key researchers in my lab, which enabled us to operate the OPO successfully and reliably over many years.
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Tell us your wavelength, speed and integration requirements and we will find the right modulator.
