Altera

Altera is a semiconductor company that designs field-programmable gate arrays (FPGAs) and complex programmable logic devices, sold under families including Agilex, Stratix, Arria and Cyclone, together with the Quartus development software. Intel acquired Altera in 2015 and in 2024 agreed to sell a 51% stake to Silver Lake, leaving it a majority private-equity-owned subsidiary rather than an independently traded company. It is not a quantum computing developer: its products are classical programmable logic chips, and its connection to the quantum sector is indirect, as general-purpose control and instrumentation hardware rather than any quantum-specific product line.

AI-written profile · not yet reviewed · 13 September 2026

Headquarters: San Jose, California, USA
Founded: 1983
Status: Private

Investors Intel, Silver Lake

Coverage

Quantum Zeitgeist10 September 2026

Altera FPGAs now support Riverlane’s quantum error correction interface

Altera and Riverlane have validated Riverlane’s quantum error correction interface (QECi) on Altera Agilex 7 FPGAs. The partnership is intended to give quantum hardware developers a flexible way to integrate low-latency error correction into control systems and to standardize data exchange between quantum control stacks and QEC hardware.

OutlookPlausible

Quantum hardware teams using Agilex 7-based control electronics could adopt Riverlane’s decoder as a drop-in QEC layer, reducing integration time for early logical-qubit demonstrations.

error correction cryogenics controlAlteraRiverlane