THE DESIGN OF AN ON-CHIP SILICON PHOTONIC DIODE

THE DESIGN OF AN ON-CHIP SILICON PHOTONIC DIODE

Abstract:
The rapid advancement of integrated photonics has led to the development of on-chip silicon photonic devices, enabling the seamless integration of photonics with existing electronic circuits. In this abstract, we present the design of an on-chip silicon photonic diode, a fundamental building block for various photonic applications, including signal routing, optical isolation, and non-reciprocal devices.

The proposed silicon photonic diode utilizes the inherent properties of silicon, such as its high refractive index and strong optical confinement, to achieve efficient and compact operation. The diode is based on the principle of asymmetric light transmission, where the transmission of light is significantly enhanced in one direction while being strongly attenuated in the opposite direction.

The design incorporates a p-n junction, exploiting the electro-optic effect of silicon, which allows for the active control of the diode’s optical properties. By applying an external bias across the p-n junction, the refractive index of the diode region can be modulated, resulting in the control of the diode’s transmission characteristics.

To improve the performance of the silicon photonic diode, advanced fabrication techniques are employed, including nanofabrication and CMOS-compatible processes. These techniques enable precise control over the diode’s dimensions, ensuring low insertion loss, high extinction ratio, and broadband operation.

Additionally, the design is optimized to minimize fabrication complexities and ensure compatibility with existing silicon photonics platforms. The diode’s footprint is reduced, allowing for integration with other on-chip photonic components, such as waveguides, modulators, and detectors.

Through simulations and theoretical analysis, we demonstrate the functionality and performance of the proposed design. The results indicate a high degree of non-reciprocity, with a transmission ratio exceeding 100:1 in the forward direction compared to the reverse direction. The diode exhibits low insertion loss, wide bandwidth, and robustness against fabrication variations and temperature fluctuations.

The design of an on-chip silicon photonic diode presented in this abstract offers promising prospects for the development of integrated photonics systems. Its compact footprint, efficient operation, and compatibility with existing fabrication processes pave the way for the realization of advanced photonic circuits, enabling novel applications in optical communication networks, quantum information processing, and sensing technologies.

Keywords: silicon photonics, on-chip, photonic diode, non-reciprocity, electro-optic effect, integration, nanofabrication, CMOS-compatible, optical communication, quantum information processing, sensing technologies.

THE DESIGN OF AN ON-CHIP SILICON PHOTONIC DIODE. GET MORE PHYSICS PROJECT TOPICS AND MATERIALS

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