Rockley Photonics has been granted a patent for a tapered waveguide design with varying taper angles along its length. The waveguide transitions from a narrow end to a wide end, with taper angles adjusted to optimize performance. GlobalData’s report on Rockley Photonics gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Rockley Photonics, was a key innovation area identified from patents. Rockley Photonics's grant share as of May 2024 was 40%. Grant share is based on the ratio of number of grants to total number of patents.
Tapered waveguide with varying taper angles along its length
A recently granted patent (Publication Number: US11994715B2) discloses a tapered waveguide design that features specific dimensions and taper angles to optimize light propagation. The waveguide includes a narrow end, a wide end, and taper angles at different points along its length. The patent emphasizes maintaining taper angles within a certain range to enhance performance, with considerations for width variations and overall length. Additionally, the waveguide is designed to minimize optical loss, ensuring efficient light transmission.
Furthermore, the patent extends to a waveguide crossing configuration that involves multiple tapered waveguides abutting a crossing slab. This setup allows for controlled light propagation between different waveguides, facilitated by a crossing rectangle structure. The dimensions of the crossing rectangle are specified to enable effective light transfer while maintaining compact size constraints. The patent highlights the importance of maintaining specific width, length, and optical loss parameters for the tapered waveguides within the crossing setup to ensure optimal performance. Overall, the patent presents a detailed and precise design for tapered waveguides and waveguide crossings, aiming to improve light transmission efficiency in optical systems.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
