In[]:=
PacletInstall["https://wolfr.am/DevWQCF",ForceVersionInstall->True]​​<<Wolfram`QuantumFramework`
Out[]=
PacletObject
Name: Wolfram/QuantumFramework
Version: 1.3.3

Summary box of quantum state
In[]:=
QuantumState["+"]
Out[]=
QuantumState
Pure state
Qudits: 1
Type: Vector
Dimension: 2
Picture: Schrödinger
​
Purity: 1.
​
Von Neumann Entropy:
0.
b
​
Dimensions: {2 | ​}
​
ParameterArity: 0
Parameters: {}

Traditional form (which is Dirac notation)
In[]:=
QuantumState["+"]//TraditionalForm
Out[]//TraditionalForm=
1
2
|0〉+
1
2
|1〉
conventional quantum state’s diagram (as in quantum process)
In[]:=
QuantumState["+"]["Diagram"]
Out[]=
Quantum state in a quantum circuit operator
In[]:=
QuantumCircuitOperator[{"+"}]["Diagram"]
Out[]=