Foundations · Michael Nielsen

Our first quantum gate: the quantum NOT gate

Name: Our first quantum gate: the quantum NOT gate
Uploaded: 2010-11-22
Description: Begin studying quantum gates with a concrete operation: quantum NOT. Michael Nielsen uses a compact lesson to move from state notation to an operation on a qubit. It is a starting point for the surrounding gate sequence, where the benefit comes from following the transformation rather than memorizing a symbol.

Original upload Nov 22, 2010

Engineers installing an IBM Quantum System One cryogenic assembly at Fraunhofer

Context photo · Holger Muench / IBM · CC BY 2.0

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Engineers install IBM Quantum System One at Fraunhofer. Archival quantum-computing context, not a video frame or the apparatus of another study.

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Begin studying quantum gates with a concrete operation: quantum NOT. Michael Nielsen uses a compact lesson to move from state notation to an operation on a qubit. It is a starting point for the surrounding gate sequence, where the benefit comes from following the transformation rather than memorizing a symbol.

Video by Michael Nielsen. Added to QubitWire September 29, 2026.

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