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Quantum & Qollab

Research notes, opinions and industry news, plus what the Qollab team is shipping.

Google withheld an ECDSA circuit

A forged zero-knowledge proof, an independent reconstruction, and an agent-driven leaderboard. What the episode says about checkable work.

Opinion · August 26, 2026

Cross-Resonance Gate: Slices and Heatmaps

How the ZX entangling rate and static ZZ vary with detuning and drive amplitude, plotted from the PRA 2020 cross-resonance formulas.

Expert note · August 6, 2026 · Onri Jay Benally

Pulse Shapes and Envelopes, Visualized

How microwave pulses are shaped to control a quantum chip: Gaussian and sinusoidal envelopes, and the modulated pulses behind common gates.

Expert note · August 6, 2026 · Onri Jay Benally

Wigner Functions for Single-Qubit Quantum Gates

Pauli rotations rendered as Wigner functions, animated in two and three dimensions, with the density-operator and Bloch-vector groundwork.

Expert note · August 6, 2026 · Onri Jay Benally

Rabi Oscillations: Visualizing Excited-State Probability

A primer on the quantum dynamics of a driven two-level system, visualizing excited-state probability under the rotating-wave approximation (RWA).

Expert note · July 15, 2026 · Onri Jay Benally

A Sampling-Budget & Bit-String Analogy for Qubit Classifications

A Sampling-Budget & Bit-String Analogy for Qubit Classifications. A notebook by Onri Jay Benally, republished with permission.

Expert note · July 15, 2026 · Onri Jay Benally

What's new on Qollab

Playground upgrades, new features, and shipped improvements. The running changelog.

Product updates · June 24, 2026

Meet the Spring 2026 cohort

13 teams building on real IonQ hardware: tools, music, visualizations, and games. The lineup, project by project.

Roundup · May 5, 2026

Become a Qollab Ambassador

Champion quantum in your community and earn monthly IonQ hardware credits.

Program · May 1, 2026

Creative Challenge: submissions closed

Grants and IonQ compute credits for open-source quantum projects. The call is closed — see what the funded teams built.

Open call · April 7, 2026