quantum teleportation added

Author: mrtkp9993

README.md

@@ -44,4 +44,20 @@ Scheme for `n=3`:
 
 > Task. Transmit two bits of classical information between Alice and Bob using only one qubit.
 
-![Superdense Coding](./circuit_diagrams/e1_superdense_coding.png)
+![Superdense Coding](./circuit_diagrams/e1_superdense_coding.png)
+
+### Quantum Teleportation
+
+> Task. Alice would like to send Bob a qubit that is in some unknown state.
+
+![Quantum Teleportation](./circuit_diagrams/e2_quantum_teleportation.png)
+
+## References
+
+* [Jonahtan Hui, Quantum Computing Series, Medium](https://medium.com/@jonathan_hui/qc-quantum-computing-series-10ddd7977abd)
+
+* [Qiskit, Medium](https://medium.com/qiskit)
+
+* [Qiskit, GitHub](https://github.com/Qiskit/qiskit-terra)
+
+* [An Introduction to Quantum Computing, Kaye, ‎Laflamme, Mosca](https://books.google.com.tr/books/about/An_Introduction_to_Quantum_Computing.html?id=8jwVDAAAQBAJ&source=kp_book_description&redir_esc=y)

circuit_diagrams/e2_quantum_teleportation.png

@@ -0,0 +1,43 @@
+'''
+    Quantum Teleportation
+
+    Task. Alice would like to send Bob a qubit that is in some unknown state.
+
+'''
+from qiskit import IBMQ, BasicAer
+from qiskit import QuantumCircuit, ClassicalRegister, QuantumRegister, execute
+
+qr = QuantumRegister(3)  # Initialize qubits
+cr0 = ClassicalRegister(1)
+cr1 = ClassicalRegister(1)
+cr2 = ClassicalRegister(1)
+circuit = QuantumCircuit(qr, cr0, cr1, cr2)
+
+# Prepare the initial state which we want to transfer
+circuit.x(qr[0])
+
+# Prepare the Bell pair
+circuit.h(qr[1])
+circuit.cx(qr[1], qr[2])
+
+circuit.barrier()
+
+# Measure in the Bell basis
+circuit.cx(qr[0], qr[1])
+circuit.h(qr[0])
+circuit.measure(qr[0], cr0[0])
+circuit.measure(qr[1], cr1[0])
+
+circuit.barrier()
+
+# Apply a correction
+circuit.z(qr[2]).c_if(cr0, 1)
+circuit.x(qr[2]).c_if(cr1, 1)
+circuit.measure(qr[2], cr2[0])
+
+# Run our circuit with local simulator
+backend = BasicAer.get_backend('qasm_simulator')
+shots = 1024
+results = execute(circuit, backend=backend, shots=shots).result()
+answer = results.get_counts()
+print(answer)