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Report 19 Aug 2025

Quantum Computing – Major Players' Approaches and Outlook – InBrief Analysis

Quantum computing is transforming how we solve complex problems in areas like artificial intelligence, finance, cybersecurity, and healthcare. Unlike classical computers, which process binary bits, quantum computers use qubits that leverage superposition and entanglement to perform certain calculations much faster.

This InBrief report explains two main models in the quantum ecosystem: quantum annealing and gate-based quantum computing. Quantum annealing, developed by D-Wave, aims to solve optimization problems efficiently. Gate-based quantum computing is more adaptable and is being developed across various hardware platforms, each with its own benefits:

  • Superconducting qubits, employed by vendors such as IBM and Google, provide rapid operations but require extremely cold temperatures.
  • Trapped ion systems, developed by companies like IonQ and Quantinuum, offer long coherence times and high precision.
  • Photonic quantum computing, led by Xanadu and PsiQuantum, uses light particles and works at room temperature, making it ideal for quantum communication.
  • Neutral atom systems, from companies like Pasqal and QuEra, offer scalability and robust qubit connectivity.
  • Silicon-based qubits, developed by Intel and some academic institutions, align with current semiconductor technologies for long-term scalability.

This document emphasizes expanding commercial uses in various sectors: from drug discovery and materials science to logistics optimization and cryptography. However, these still face significant challenges: high error rates, fragile qubits, and the need for scalable architectures.

Since no single winning technology has emerged yet, the market is expected to stay diverse. Most users will access quantum systems through cloud platforms, and hybrid quantum-classical models will lead in the near future.

For IT professionals and tech strategists, now is the time to develop internal quantum expertise, participate in research ecosystems, and get ready for a future driven by transformative quantum capabilities.

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Wolfgang Schwab

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