From ca2d269ed2efa5abb70b349a1ef1a0e925718b76 Mon Sep 17 00:00:00 2001 From: Abhishek Jaisingh Date: Tue, 13 Oct 2020 22:04:24 +0530 Subject: [PATCH] Add Qiskit Quantum NOT Gate Example Code (#3255) * Add Qiskit Quantum NOT Gate Example Code * Address Review Comments Signed-off-by: Abhishek Jaisingh --- quantum/not_gate.py | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 quantum/not_gate.py diff --git a/quantum/not_gate.py b/quantum/not_gate.py new file mode 100644 index 000000000..4f9fa1319 --- /dev/null +++ b/quantum/not_gate.py @@ -0,0 +1,39 @@ +#!/usr/bin/env python3 +""" +Build a simple bare-minimum quantum circuit that starts with a single +qubit (by default, in state 0) and inverts it. Run the experiment 1000 +times and print the total count of the states finally observed. +Qiskit Docs: https://qiskit.org/documentation/getting_started.html +""" + +import qiskit as q + + +def single_qubit_measure(qubits: int, classical_bits: int) -> q.result.counts.Counts: + """ + >>> single_qubit_measure(1, 1) + {'11': 1000} + """ + # Use Aer's qasm_simulator + simulator = q.Aer.get_backend('qasm_simulator') + + # Create a Quantum Circuit acting on the q register + circuit = q.QuantumCircuit(qubits, classical_bits) + + # Apply X (NOT) Gate to Qubits 0 & 1 + circuit.x(0) + circuit.x(1) + + # Map the quantum measurement to the classical bits + circuit.measure([0, 1], [0, 1]) + + # Execute the circuit on the qasm simulator + job = q.execute(circuit, simulator, shots=1000) + + # Return the histogram data of the results of the experiment. + return job.result().get_counts(circuit) + + +if __name__ == '__main__': + counts = single_qubit_measure(2, 2) + print(f'Total count for various states are: {counts}')