The stack

A full quantum stack, engineered end to end.

From the qubit up to the SDK, Brangus owns every layer of the system — because fault-tolerant quantum advantage only happens when hardware and software are co-designed.

Hardware

Superconducting QPUs

Our QPU-3 architecture packs tunable transmon qubits with industry-leading coherence times on a scalable, modular lattice.

Fault tolerance

Real-time error correction

Surface-code decoding runs in the control loop, suppressing logical error rates exponentially as we scale physical qubits.

Systems

Integrated cryogenics

A custom dilution-refrigerator stack holds the processor at 10 millikelvin with dense, low-noise signal delivery.

Scaling

Quantum interconnect

Photonic links entangle modules across the fridge, letting us grow qubit counts without sacrificing connectivity.

Control

Sub-microsecond control

An FPGA-driven control plane delivers calibrated pulses with feedback latency low enough for active correction.

Software

Compiler & runtime

The Brangus compiler maps high-level circuits to native gates, optimizing for fidelity, depth, and hardware topology.

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