Quantum computing is a rapidly growing field that promises to revolutionize computation. Go, also known as Golang, is a popular programming language that is gaining traction in the field of quantum computing due to its simplicity and efficiency. In this tutorial, we will explore how to build quantum circuits with Go programming.


Step 1: Install the Quantum Development Kit (QDK) for Go

The first step is to install the Quantum Development Kit (QDK) for Go. QDK is a software development kit that provides the necessary tools to write quantum programs. To install the QDK, you can use the following command:

go get -u qdk.microsoft.com/go



Step 2: Create a Quantum Circuit

Once you have installed the QDK, you can create a new quantum circuit by importing the qdk package and calling the NewQuantumCircuit function. For example, the following code creates a quantum circuit with two qubits:

package main

import (
	"fmt"
	"qdk.microsoft.com/go/qsharp"
)

func main() {
	qc := qsharp.NewQuantumCircuit(2)
	fmt.Println(qc)
}


Step 3: Add Gates to the Circuit

Now that you have created a quantum circuit, you can add gates to the circuit to perform quantum operations. Gates are represented as functions in the QDK, and you can add them to the circuit by calling their respective functions. For example, the following code adds a Hadamard gate to the first qubit and a CNOT gate between the first and second qubits:

package main

import (
	"fmt"
	"qdk.microsoft.com/go/qsharp"
)

func main() {
	qc := qsharp.NewQuantumCircuit(2)
	qc.Apply(qsharp.HGate(), 0)
	qc.Apply(qsharp.CNOT(), 0, 1)
	fmt.Println(qc)
}


Step 4: Run the Circuit

To run the quantum circuit, you can use the Run function of the QDK. The Run function takes the quantum circuit and returns a result that contains the measurement outcomes of the qubits. For example, the following code runs the quantum circuit and prints the measurement outcomes:

package main

import (
	"fmt"
	"qdk.microsoft.com/go/qsharp"
)

func main() {
	qc := qsharp.NewQuantumCircuit(2)
	qc.Apply(qsharp.HGate(), 0)
	qc.Apply(qsharp.CNOT(), 0, 1)
	result, _ := qc.Run()
	fmt.Println(result.MeasureAll())
}


Conclusion:

In this tutorial, we have explored how to build quantum circuits with Go programming. We started by installing the Quantum Development Kit (QDK) for Go and creating a quantum circuit. We then added gates to the circuit and ran the circuit to obtain the measurement outcomes. With these basic steps, you can start exploring the exciting world of quantum computing with Go programming.