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The Quantum Insider
The Current Era of Quantum Machines
The article provides an in-depth examination of NISQ (Noisy Intermediate-Scale Quantum) computers, which represent today's quantum technology landscape. NISQ devices can execute quantum algorithms but are hampered by noise and error rates. Despite these limitations, they are crucial for research, allowing testing of algorithms and development of error mitigation techniques. The industry is actively pursuing advancements in error correction to transition towards more robust quantum systems.
MonitorConfidence: HighMid term horizon
Published 21 Aug 2026, 16:05 UTC11 min read
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Summary
TL;DR
- NISQ systems are limited by noise, error rates, and circuit depth.
- Current models serve primarily for research and experimental testing.
- The term NISQ defines the operational parameters of today's quantum devices.
- Advancements in quantum error correction are essential for future development.
- NISQ devices allow for the trial of quantum algorithms under realistic conditions.
Interesting facts
- NISQ computers cannot yet perform tasks that quantum computing promises to deliver, such as breaking encryption or solving large-scale optimization problems.
- Variational quantum algorithms have been designed specifically for NISQ constraints.