Optical Communication
Lasers play a critical role in these systems by generating the coherent light sources needed for encoding and transmitting information. Continuous-wave (CW) lasers are widely used in optical communication due to their ability to provide a stable and consistent light source, essential for maintaining signal integrity during transmission.
These lasers operate at specific wavelengths that align with the low-loss transmission windows of optical fibers, making them ideal for applications such as data centers, telecommunications networks, and internet infrastructure. The most commonly used range is the so-called C-band, which spans from 1530 nm to 1565 nm, and has the lowest transmission loss window.
Optical Multiplexing
Optical multiplexing is a crucial technique in modern optical communication systems, allowing multiple data channels to be transmitted simultaneously over a single optical fiber or free-space link. By dividing data streams either by wavelength or by manipulating the structure of light itself, multiplexing significantly increases the data capacity and efficiency of communication networks. Common techniques such as wavelength division multiplexing (WDM) and orbital angular momentum multiplexing (OAM) offer unique advantages for high-capacity, high-speed data transmission. In these techniques, CW lasers are commonly employed, providing a stable light source with precise wavelength control.
Interested in tunable lasers for optical communication?
Our team can advise on the right CW or tunable laser source for reconfigurable networks, adaptive channel management and telecom research.
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Explore our products
CW Laser Systems
Continuous-Wave broadly tunable laser systems with integrated pump laser and OPO. Hands-free wavelength tuning in the Near-IR and Mid-IR across 1450 – 4000 nm with superior power and stability.
Ultra Short Pulse Lasers
Femtosecond and picosecond broadly tunable laser systems with integrated pump laser and OPO. Hands-free wavelength tuning in the Near-IR and Mid-IR across 1400 – 7000 nm with superior power and stability.
Optical Parametric Oscillators – OPOs
Femtosecond OPOs pumped by mode-locked Ti:Sapphire lasers. Hands-free rapid wavelength tuning in the Visible, Near-IR and Mid-IR gap-free across 340 – 4000 nm.
Second Harmonic Generators
Harmonic generators to double the frequency of external mode-locked femtosecond and picosecond Ti:Sapphire lasers and femtosecond IR OPOs. Spectral coverage across 340 – 750 nm. Best-in-class conversion efficiency. Hands-free operation and plug-and-play installation.
What our customers say about us
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Professor Romain Quidant
ICFO, Spain
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Dr Pier Sazio
University of Southampton, United Kingdom, Senior Research Fellow, Optoelectronics Research Centre
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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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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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