 Empty circle control qubit notation

ID: empty-circle-control-qubit-notation

 Top articles  Latest articles + New article in topic

Empty circle control qubit notation by

Ciro Santilli 36  Updated 2025-04-24  +Created 1970-01-01

Some authors use the convention of:

filled black circle: conventional controlled quantum gate, i.e. operate if control qubit is active
empty (White) circle: operate if control qubit is inactive

 Read the full article

 New to topics? Read the docs here!