Researchers at Colorado State University have developed a non-volatile, programmable optical filter using phase-change materials (PCMs). This device allows for precise control over optical properties in waveguides, enabling flexible filtering of different frequencies and bandwidths. The technology is compatible with standard manufacturing processes, which can reduce production costs and increase scalability. Unlike traditional programmable optical filters, this invention does not require continuous power to maintain its configuration.
Current optical filters and switches require constant power to operate and are either sensitive to the environment or wear out easily. Existing reconfigurable solutions are complex and lack programmability and scalability. There are no easily reconfigurable solutions, as current devices operate on predetermined signal windows that cannot be tuned after production. This new technology addresses the need for filters and switches that maintain their settings without power and can be easily reconfigured.
This invention is a non-volatile, programmable filtering device for Wavelength Division Multiplexing systems, utilizing integrated photonic technologies and phase-change materials (PCMs) to control the optical properties of waveguides. The device allows for precise control over the optical properties of waveguides, enabling programmable filtering of frequency, bandwidth, and optical response. This device can be manufactured using standard processes, reducing production costs, and enabling scalability. This new design simplifies optical switches and filters, potentially replacing multiple components with a single device.
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TRL: 3
US Provisional Patent
Mohammad Amin Mahdian
Mahdi Nikdast
Lurenzo Tunesi
Paolo Bardella
Andrea Carena
Vittorio Curri
Jessy McGowan
Jessy.McGowan@colostate.edu
970-491-7100