Quantum-Si has developed an integrated device for capturing timing and spectral data from light sources. The patented technology includes pixels with charge storage regions that store charge carriers generated by incident photons, providing valuable information. The device also features optical sorting elements for efficient photon distribution. GlobalData’s report on Quantum-Si 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 Quantum-Si, Optoelectronic biosensors was a key innovation area identified from patents. Quantum-Si's grant share as of January 2024 was 18%. Grant share is based on the ratio of number of grants to total number of patents.

Integrated circuit for obtaining timing and spectral information from light

Source: United States Patent and Trademark Office (USPTO). Credit: Quantum-Si Inc

A recently granted patent (Publication Number: US11885744B2) discloses an integrated circuit designed for efficient photodetection. The circuit includes multiple photodetection regions with varying depths to generate different charge carriers in response to incident photons. These charge carriers are then stored in specific charge storage regions before being transferred to a readout region. The patent also details the use of transfer gates to control the movement of charge carriers between different regions within the circuit, allowing for precise control and manipulation of the generated charge carriers.

Furthermore, the integrated circuit described in the patent incorporates features to capture both lifetime and spectral information of incident photons. The first charge carriers indicate lifetime information, while the second charge carriers provide spectral information, including wavelength details. By utilizing multiple photodetection regions, charge storage regions, and transfer gates, the circuit enables the accurate capture and storage of different types of information related to incident photons. This innovative design allows for enhanced functionality and performance in various applications requiring precise photodetection capabilities.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

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.