Distributed Quantum Computing Synchronization via Qubits

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Solution Overview

Problem

Distributed quantum computing systems face challenges such as underutilization of resources and increased latency due to sequential operation and classical communication methods, which hinder the efficient execution of quantum algorithms across multiple quantum computers.

Innovation Solution

The implementation of a distributed quantum computing system with synchronization qubits that allow quantum processing units (QPUs) to operate in parallel, using a quantum channel for synchronization, enabling continuous operation until all QPUs are in sync, thereby avoiding idle resources and reducing latency by determining synchronization at the qubit level.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If QPUs operate sequentially using classical communication methods for synchronization, then system complexity is reduced, but resource utilization decreases and latency increases

Engineering Contradiction:
Improvesystem complexityVSAvoidresource utilization
Core Design Contradiction:
Device complexityVSProductivity

Solution Approach 1:

The patent replaces classical communication channels with quantum channels for synchronization between QPUs. By using quantum entanglement and quantum teleportation protocols, the system achieves parallel operation of multiple QPUs without the sequential constraints of classical communication, thereby improving resource utilization while maintaining manageable system complexity through established quantum communication frameworks.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Device complexity

If QPUs operate sequentially using classical communication methods for synchronization, then system complexity is reduced, but latency increases

Engineering Contradiction:
Improvesystem complexityVSAvoidlatency
Core Design Contradiction:
Device complexityVSLoss of time

Solution Approach 1:

The patent substitutes quantum communication protocols for classical communication in the synchronization process. By utilizing quantum entanglement and teleportation, the system enables simultaneous operation of multiple QPUs, eliminating the sequential delays inherent in classical communication-based synchronization and thereby reducing overall latency.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent implements preliminary entanglement distribution between QPUs before the actual quantum algorithm execution. By pre-establishing quantum correlations through entanglement swapping and distribution, the system prepares the quantum network in advance, allowing immediate parallel operation when the algorithm runs, thus reducing operational latency.

Inventive Principle:
Principle #10Preliminary action

3Productivity

If quantum channels are used for synchronization between QPUs, then resource utilization improves, but device complexity increases

Engineering Contradiction:
Improveresource utilizationVSAvoiddevice complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent employs quantum communication channels to enable parallel operation of multiple QPUs, significantly improving resource utilization. The complexity is managed by using standardized quantum communication protocols and modular quantum network architectures, where quantum channels are integrated systematically rather than ad hoc, making the increased complexity controllable and scalable.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

4Productivity

If quantum teleportation and entanglement swapping are implemented for synchronization, then parallel operation is achieved, but device complexity increases

Engineering Contradiction:
Improveparallel operation capabilityVSAvoiddevice complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent uses quantum teleportation and entanglement swapping protocols to achieve parallel operation of QPUs. These quantum information processing techniques replace classical synchronization mechanisms, enabling simultaneous quantum operations across distributed QPUs. The complexity is managed through systematic implementation of quantum communication protocols.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent divides the distributed quantum computing system into modular QPU units, each capable of independent operation but connected through quantum channels. By segmenting the system into standardized modules that can be independently configured and operated, the patent manages complexity while enabling parallel execution of quantum algorithms across multiple QPUs.

Inventive Principle:
Principle #1Segmentation

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 enhances resource utilization and reduces latency, allowing for efficient parallel execution of quantum algorithms across multiple QPUs, improving the overall performance and practicality of distributed quantum computing systems.

Implementation Method 1

The global qubits of the first QPU and the global qubits of the second QPU may be entangled

Methodology Applied
Scientific EffectQuantum entanglement:

Implementation Method 2

Quantum computing applications leverage the laws of quantum mechanisms (e.g., superposition, entanglement, etc.)

Methodology Applied
Scientific EffectQuantum superposition:

Data Source

PatentUS20230315539A1Systems and methods for distributed quantum computing
Publication Date: 2023.10.05 MELLANOX TECHNOLOGIES LTD(IL)
  • US20230315539A1 patent drawing
  • US20230315539A1 patent drawing
  • US20230315539A1 patent drawing

AI summary

A distributed quantum computing system is provided that performs distributed quantum computing with time synchronization. The distributed quantum computing system includes a computer processing unit configured to instruct one or more quantum processing units to perform one or more operations associated with a quantum algorithm. The one or more QPUs include a plurality of qubits and the one or more QPUs are in communication with each other via a quantum channel. Each of the plurality of qubits may include local qubits, global qubits, and/or synchronization qubits. The local qubits and global qubits of each QPU may be configured to perform the one or more operations associated with the quantum algorithm. The synchronization qubits of each QPU may be configured to determine if the one or more operations associated with the quantum algorithm performed by each of the one or more QPUs are in sync.