Borophene Nanoribbon MIM Structure for Quantum Imaging Filtering

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Solution Overview

Problem

Existing optical imaging systems struggle to efficiently capture and reconstruct spatially resolved maps of local quantities such as magnetic and electric fields, and lattice strain using nitrogen-vacancy (NV) centers in diamond substrates due to limitations in optical modulation and signal filtering.

Innovation Solution

A nanophotonic device utilizing a metal-insulator-metal structure with borophene nanoribbons for plasmonically-induced transparency (PIT) is employed, enabling optical switching and image reconstruction through single-pixel detectors and image reconstruction modules.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional optical imaging systems are used to capture spatially resolved maps of local quantities, then the system structure is simple, but the optical modulation efficiency and signal filtering capability are insufficient

Engineering Contradiction:

Improvesignal filtering capabilityVSAvoidnanophotonic device structure

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent employs a composite metal-insulator-metal (MIM) structure incorporating borophene nanoribbons. The borophene nanoribbons are integrated between two metal layers (gold and aluminum) to form a plasmonic structure that enables efficient optical modulation and signal filtering through plasmonically-induced transparency effects, thereby resolving the contradiction between enhanced reliability and increased device complexity.

Inventive Principle:

Principle #40Composite materials

Solution Approach 2:

The patent utilizes electrically tunable bias voltages applied to the borophene nanoribbon arrays to dynamically control the plasmonic resonance conditions. By changing the electrical parameters (bias voltage) of the borophene material, the optical properties such as transparency and absorption can be modulated, achieving efficient signal filtering while maintaining a relatively compact device structure.

Inventive Principle:

Principle #35Parameter changes

2Productivity

If optical modulation is enhanced using advanced nanophotonic structures, then the optical filtering efficiency is improved, but the device complexity increases

Engineering Contradiction:

Improveoptical modulation efficiencyVSAvoidmulti-layer nanophotonic structure

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The MIM structure with borophene nanoribbons combines multiple materials (borophene, gold, aluminum, dielectric layers) to achieve enhanced optical modulation efficiency. The plasmonic interaction between the metal layers and borophene nanoribbons creates strong light-matter coupling, enabling efficient optical filtering and modulation despite the increased structural complexity.

Inventive Principle:

Principle #40Composite materials

Solution Approach 2:

The borophene nanoribbons are implemented as ultra-thin two-dimensional material films within the MIM structure. These thin films provide significant optical modulation capability while minimizing the vertical thickness of the device, thereby reducing overall device complexity compared to bulkier optical modulator designs.

Inventive Principle:

Principle #30Flexible shells and thin films

3Ease of operation

If bias voltages are modulated across borophene nanoribbons for optical switching, then the signal transmission control is improved, but the manufacturing precision requirements increase

Engineering Contradiction:

Improveoptical switching controlVSAvoidborophene nanoribbon fabrication

Core Design Contradiction:

Ease of operationVSManufacturing precision

Solution Approach 1:

The patent employs electrically tunable bias voltages applied to the borophene nanoribbon arrays to dynamically control the plasmonic resonance conditions. By changing the electrical parameters (bias voltage) of the borophene material, the optical properties such as transparency and absorption can be modulated, achieving efficient signal filtering while maintaining a relatively compact device structure.

Inventive Principle:

Principle #35Parameter changes

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The device achieves efficient optical filtering and image reconstruction by modulating bias voltages across borophene nanoribbons, enhancing the ability to capture and process spatially resolved maps of local fields and strains with improved signal transmission and blocking capabilities.

Implementation Method 1

A nanophotonic device utilizing a metal-insulator-metal structure with borophene nanoribbons for plasmonically-induced transparency (PIT) is employed

Methodology Applied

Scientific EffectPlasmonically-induced transparency (PIT):

Data Source

PatentUS12468074B2Plasmonic borophene nanoribbon metal-insulator-metal structure for quantum imaging

Publication Date: 2025.11.11 KK TOYOTA CHUO KENKYUSHO

AI summary

Systems and methods described herein relate to implementing quantum imaging. In one embodiment, method includes forming a first substrate that is optically transparent and electrically conductive; forming a second substrate, residing on the first substrate, that is optically transparent and electrically insulative; forming a first borophene nanoribbon array electrically coupled to a first electrode, both residing on the second substrate; forming a third substrate, residing in the second substrate, that is optically transparent and electrically insulative; and forming a second borophene nanoribbon array electrically coupled to a second electrode, both residing on the third substrate.