Level 02

Gates & circuits

Single-qubit gates as rotations, and how to read any circuit diagram.

7 lessons · 1 lab · Pauli gates · Hadamard · Phase · Circuit diagrams

  1. LessonComing soon

    X, Y and Z

    Half-turns of the arrow, including the quantum NOT.

  2. LessonComing soon

    The Hadamard gate

    The gate that creates superposition, and undoes it.

  3. LessonComing soon

    Phase gates

    S, T and P: turning the arrow without changing the odds.

  4. LessonComing soon

    Rotations

    Rx, Ry and Rz: dial in any angle you like.

  5. LessonComing soon

    Reading a circuit diagram

    Wires, boxes, and time flowing left to right.

  6. LabComing soon

    Lab: build your first circuit

    Chain a few gates and predict the result before you run it.

    Try it in the Lab now
  7. CheckpointComing soon

    Checkpoint: gates and circuits

    A short quiz to lock it in before you move on.