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This is a Experimental Study study.

October 20, 2025Open Access

Broadband Waveguide-Coupled Photodetectors in a Submicrometer-Wavelength Silicon Photonics Platform

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Optimized silicon photodetectors show high quantum efficiencies and bandwidths, indicating strong performance for diverse applications.

Devices achieved external quantum efficiencies over 60%, demonstrating strong performance in visible and near-infrared light.
The photodetectors cover a continuous wavelength range from 400 to 955 nm, expanding applications in imaging and spectroscopy.
Measurements indicated high-speed performance with bandwidths up to 18 GHz at a wavelength of 785 nm, essential for fast data transmission.
Avalanche operation offered a gain-bandwidth product of 374 GHz, highlighting potential for advanced photonic integration.

Gövdeli et al. (2025) studied this question.

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