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Graphene-Based Photonic-like Highly Integrated Programmable Electronic Devices.

Xiong Deng¹, Shen Shen¹, Yanli Xu^1,2

¹College of Mechanical and Electrical Engineering, Guizhou Minzu University, Guiyang550025, China.

The Journal of Physical Chemistry Letters

|December 9, 2022

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Graphene enables ultra-small photonic-crystal devices, offering higher integration and tunable functions via voltage control. These advancements promise significant applications in integrated photonics and computing.

Area of Science:

Photonics
Materials Science
Condensed Matter Physics

Background:

Conventional photonic crystals are limited by their large size.
Graphene's unique electronic and optical properties offer potential for miniaturization.

Purpose of the Study:

To theoretically investigate graphene-based photonic-crystal-like devices and microcavities.
To explore the potential for miniaturization and enhanced functionality in graphene photonic devices.

Main Methods:

Theoretical analysis of photonic-crystal-like structures in graphene.
Investigation of optical transport wavelengths and device scaling.
Analysis of voltage-controlled tunability and device function conversion.

Main Results:

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Graphene photonic devices can be over 100 times smaller than conventional ones for the same energy.
Graphene-based devices offer significantly higher integration density.
Device functionality can be switched and performance tuned by altering applied voltage.

Conclusions:

Graphene-based photonic-crystal-like devices offer unprecedented miniaturization and integration.
High programmability and adjustability make these devices suitable for advanced applications.
Integration with microelectronics paves the way for novel photonic integrated circuits and computing.