Electro-Optical Structure for Entangled Quantum State Creation

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Solution Overview

Problem

Current quantum computing methods fail to effectively entangle quantum states of particles, which is crucial for controlled time evolution and manipulation of energy eigenstates, limiting the precision and efficiency of quantum computations.

Innovation Solution

A method involving the measurement of energy eigenstates, prediction of time evolution, and creation of entangled quantum states using electro-optical materials and controlled electric fields to induce specific wavefunction evolutions, enabling the entanglement of electron spins and manipulation of quantum states within semiconductor structures.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If conventional quantum computing methods are used, then quantum computations can be performed, but the entanglement of quantum states is insufficient, limiting precision and efficiency

Engineering Contradiction:
Improveprecision of quantum computationVSAvoidentanglement effectiveness
Core Design Contradiction:
Measurement precisionVSReliability

Solution Approach 1:

The patent applies preliminary action by measuring energy eigenstates before creating the entangled quantum state. The method measures the Hamiltonian's energy eigenstates, predicts time evolution based on these measurements, and then creates the entangled state with coefficients designed to undergo the predicted evolution. This preliminary measurement and prediction step ensures the entangled state will evolve as intended, resolving the reliability issue.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent employs parameter changes by manipulating the coefficients of the energy eigenstates in the superposition. Specifically, it creates an entangled state with coefficients c1 and c2 that are controlled to achieve the desired time evolution. By adjusting these parameters (coefficients) based on the measured energy eigenstates, the system achieves both high precision and reliability in quantum computation.

Inventive Principle:
Principle #35Parameter changes

2Manufacturing precision

If controlled electric fields are applied to create entangled states, then precision control over quantum evolution is improved, but device complexity increases

Engineering Contradiction:
Improvecontrol precision over wavefunction evolutionVSAvoidcomplexity of electro-optical structure
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent uses an intermediary approach by introducing electro-optical material between the electric field source and the quantum system. The structure includes electro-optical material with fingers coupled to optical feed lines, where the electric field is applied through this intermediary material to manipulate the quantum state. This intermediary structure enables precise control while managing the complexity through a systematic design.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The electro-optical structure serves multiple functions: it generates the electric field, controls the coupling between quantum states, and enables the creation of entangled states. By designing a multi-functional component that integrates these capabilities, the patent reduces overall device complexity while maintaining high precision control over wavefunction evolution.

Inventive Principle:
Principle #6Universality (Multi-functionality)

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

This approach allows for systematic and controlled entanglement of quantum states, facilitating precise control over quantum computations and enhancing the efficiency of quantum processes by encouraging predicted time evolutions in quantum systems.

Implementation Method 1

a plurality of fingers constructed from an electro-optical material coupled to a plurality of optical feed lines, and electrodes coupled to the fingers, wherein an electric field applied to the electrodes is controlled to create an entangled quantum state

Methodology Applied
Scientific EffectElectro-optical effect: Electro-Optic Effects

Data Source

PatentUS9235811B2Creation of a maximally entangled quantum state
Publication Date: 2016.01.12 RAYTHEON CO
  • US9235811B2 patent drawing
  • US9235811B2 patent drawing
  • US9235811B2 patent drawing

AI summary

Embodiments are directed to engineering a structure, comprising: measuring energy eigenstates of a Hamiltonian, predicting a time evolution of a combination of two energy eigenstates based on the measurement, and creating an entangled quantum state for two coefficients of the two energy eigenstates such that an associated wavefunction is encouraged to undergo the predicted time evolution.