September 10, 2025Scientific ReportsOpen Access

Zero-biased graphene photodetector with high responsivity integrated into silicon microring resonator

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The dual-core photodetector shows 230 V/W responsivity in a silicon microring, suggesting advancements for telecommunication applications.

The photodetector operates under zero-bias conditions, enhancing energy efficiency while maintaining high performance.
Maximum responsivity of 230 V/W is achieved at a wavelength of 1550 nm, demonstrating its potential for advanced telecommunications.
Optical simulations employ finite difference methods to accurately calculate performance metrics and validate experimental feasibility.
Low power consumption and high voltage responsivity make this design suitable for data transmission in military and industrial settings.

Hashemnezhad et al. (2025) studied this question.

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The dual-core photodetector shows 230 V/W responsivity in a silicon microring, suggesting advancements for telecommunication applications.