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Investigation of Graphene-Based Photodetectors for Ultrafast Optical Communication

Author(s):Karan Mehta1, Nidhi Reddy2, Aditya Verma3

Affiliation: 1,2,3Department of Applied Physics, St. Joseph's College, Bangalore, Karnataka, India

Page No: 7-13

Volume issue & Publishing Year: Volume 2 Issue 7,July-2025

Journal: International Journal of Advanced Multidisciplinary Application.(IJAMA)

ISSN NO: 3048-9350

DOI: https://doi.org/10.5281/zenodo.17533775

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Article Indexing:

Abstract:
Graphenes exceptional electrical and optical properties make it a promising candidate for ultrafast photodetectors in optical communication systems. This study investigates the design, fabrication, and performance characterization of graphene-based photodetectors operating in the near-infrared spectrum. Using chemical vapor deposition (CVD) grown graphene integrated with silicon waveguides, the photodetectors demonstrate a high responsivity, fast response time, and broad spectral bandwidth. Experimental results and simulation studies provide insights into the charge carrier dynamics and photoresponse mechanisms, indicating graphene�s potential to revolutionize high-speed optical networks

Keywords: Graphene photodetectors, Ultrafast optical communication, High-speed optoelectronics, Broadband photodetection, Two-dimensional materials

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