GroundState Strategy · Explainers

Explainers & Application Notes

Deep dives on the technology shaping the quantum computing sector — written to give investors and analysts real understanding without the physics PhD. New notes are added as the field moves.

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Application Note · Part 1

Quantum Error Correction: From Fragile Bits to Fault-Tolerant Computing

Why qubits break, how syndrome measurement catches errors without collapsing the quantum state, a comparison of the leading QEC architectures, and the commercial landscape — from decoders to post-quantum cryptography.

Level Basic → Industry Reading time ~12 min
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Application Note · Part 2

Beyond the Surface Code: A Field Guide to QEC Code Architectures

How the leading error-correcting codes compare — cat qubits (Alice & Bob), GKP (Xanadu), color codes (Quantinuum), quantum LDPC (IBM) and directional tile codes (IQM) — including physical-qubit overhead and the hardware platform each suits best.

Level Intermediate → Industry Reading time ~14 min
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Application Note · Modality

Trapped-Ion Quantum Computing Explained

From a high-school-physics picture to the industry view — the ions IonQ, Quantinuum and AQT use, how laser beam delivery works, and how one- and two-qubit gates are achieved.

Level Basic → Industry Reading time ~13 min
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Coming soon · Market Insight Report

The Trapped-Ion Quantum Computing Ecosystem — Key Players and Supporting Companies to Keep an Eye On.

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