Quantum Hardware Architectures

The competing physical implementations of a qubit — superconducting, trapped-ion, and photonic — and their tradeoffs in coherence time, gate fidelity, connectivity, and scalability.

Read

54 min

Practice MCQs

25

Interview QA

25

Edition

v2

Editorial status

Reviewed

Relevant for

Quantum Software Engineer

Scope: IBM Quantum and Amazon Braket current hardware, metrics, calibration, and device documentation; modality provider guidance reviewed 2026-09-04.