We Take a More Pragmatic Approach: We Correct First, Then Scale

In quantum computing, two ideologies drive innovation of qubit efficiency: Scale First, Then Correct and Correct First, Then Scale. We are proving that correcting first, then scaling quantum performance works much better. It’s more pragmatic. It leapfrogs the focus on conventional brute-forced qubit volumes, accelerating the path to commercially viable, fault-tolerant quantum computing.

Scale First, Then Correct

Lots of noisy qubits

Conventional NISQ approach

Error mitigation has scaling challenges

Brute-forced, inefficient qubit volumes

Quantum error correction is a heavy lift

VS.

Qubits

Features

Scale

Efficiency

Correction

Correct First, Then Scale

Qubits designed to efficiently detect and correct errors at scale

Feature-rich error-aware quantum programming

Validated path to scalable quantum systems

Hardware efficiency with Dual-rail approach

Simplified quantum error correction

Dual-Rail Qubit – Powerful Qubits Architected for Scale

Quantum Circuits is a full-stack quantum computing provider using Dual‑Resonator Qubits (DRQ) technology. Our systems leverage superconducting circuits for fast and reliable algorithm execution.

At the core is the Quantum Processing Unit (QPU), based on DRQ technology, which uses pairs of superconducting resonators to encode quantum bits with microwave frequency photons.

This architecture supports Quantum Error Detection (QED), enhancing performance by actively detecting and processing quantum errors. It opens up new algorithmic possibilities and provides an efficient path to scalable quantum error correction.

Quantum Error Detection (QED)

Quantum Error Detection (QED) increases application performance by boosting fidelities over the native properties of quantum hardware. Resonators have a known, dominant quantum error channel, called single photon loss, leading to erasures, or errors on known qubits. These are less damaging errors a quantum system can experience. DRQs enable detection of erasure events with high fidelity. The record of their occurrence can be discarded from the output data record through a post-selection process, making QED hardware native to the DRQ architecture.

Benefits

Superconducting resonators have several advantages, which reduce the resources necessary for error correction, fault tolerance and quantum advantage.

  • High coherence times
  • Very favorable error profile with resonators
  • Errors convert to erasures in known, high-fidelity ways

Real-Time Control Flow

Real-Time Control Flow (RTCF) allows users to execute advanced classical operations in parallel with quantum systems – from basic branching on measurement results and arithmetic to run-time looping and dynamic gates. Such classical-quantum co-processing enables new types of algorithms and streamlines quantum error correction resource requirements. It also tightens the coupling between classical and quantum calculations. Leveraging RTCF enables efficient and fast application execution. This is crucial for variational algorithms that require large volumes of data, thereby cutting cost and increasing throughput.

Error Detection Handling (EDH)

Error Detection Handling (EDH) is unique to the quantum industry. It allows users to explore a previously inaccessible class of algorithms. Users manage QED themselves. Features include:

  • Custom placement of error detection meters in an algorithm
  • RTCF to branch on error results in addition to the typical binary qubit measurement outcomes
  • Tailoring post-selection analysis routines to access error data in fundamentally new and flexible ways

These unique capabilities enable users to explore algorithms that use error information as an asset and offer real-time control in their quantum workflow design.

Explore With Us

Hold a candle, and you see it clearly. Place it 100 yards away, and you see a flicker. Put it on the moon, and it vanishes. But Quantum Circuits can still see it, illustrating our precise error detection at the qubit level. We lead in delivering powerful, scalable qubits with built-in error detection.

Don’t miss the next tech wave. Quantum Circuits invites you to join our Alpha Program and execute quantum applications on our hardware with error detection. It’s a pragmatic, methodical way to accelerate your own path to commercial quantum applications. Start now.

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Contact Us

The path to fault-tolerant, commercial-ready quantum computing starts now. Explore with us. Learn more about our technology, products, or customer partnership program. We look forward to meeting you.