quos 0.0.9

Quos package simplifies plotting and simulating a quantum computing circuit employing oscillatory qudits.

Quos package

Quos package simplifies plotting and simulating a quantum computing circuit employing oscillatory qubits.

To install

pip install matplotlib
pip install quos

To upgrade

pip install --upgrade quos

To open information page

import quos
quos.qdoc()

To plot a circuit

import quos
quos.qplt('1,3,0|H,1,1|X,2,1|Z,3,2|Y,4,2|C,1,3,X,3,3|K,4,3|Rx 30,2,4|R 30 30 60,3,4|Cd,4,5,H,3,6|Ph 15,1,5|Pp 45,2,5|Ry 45,4,6|Sw,1,6,Sw,2,6|S,4,4|Rz 15,1,7|T,3,7|V,4,7|O,a,8|iSw,1,9,iSw,4,9|M,a,10')

• Q0 (qubit 0) on qubit other than 3 at time 0
• Q0 (qubit 1) on qubit 3 at time 0
• H (Hadamard gate) on qubit 1 at time 1
• X (Pauli X gate) on qubit 2 at time 1
• Z (Pauli Z gate) on qubit 3 at time 2
• Y (Pauli Y gate) on qubit 4 at time 2
• C (control point) on qubit 1 at time 3 controlling
• X (Pauli X gate) on qubit 3 at time 3
• K (Komparator gate) on qubit 4 at time 3
• Rx (rotation by 30 around X) on qubit 2 at time 4
• R (rotation by 30 30 60 around X Y Z) on qubit 3 at time 4
• Cd (reverse control point) on qubit 4 at time 5 controlling
• H (Hadamard gate) on qubit 3 at time 6
• Ph (global phase gate by 15) on qubit 1 at time 5
• Pp (phase gate for second state by 45) on qubit 2 at time 5
• Ry (rotation by 45 around Y) on qubit 4 at time 6
• Sw (swap) qubit 1 at time 6 with qubit 2 at time 6
• S (S gate) on qubit 4 at time 4
• Rz (rotation by 15 around Z) on qubit 1 at time 7
• T (T gate) on qubit 3 at time 7
• V (V gate) on qubit 4 at time 7
• O (Observer gate) on all qubits at time 8
• iSw (imaginary swap) qubit 1 at time 9 with qubit 4 at time 9
• M (Measurement gate) on all qubits at time 10

Gates included

• Qubits

• 0: qubit in state 0

• 1: Qubit in state 1

• Individual gates

• I: Identity

• T: T (Pi/8 phase gate)

• Ph: Global phase gate

• Pp: Phase gate for second state

• H: Hadamard

• X: (Pauli) X gate

• Y: (Pauli) Y gate

• Z: (Pauli) Z gate

• Rx: Rotation around X

• Ry: Rotation around Y

• Rz: Rotation around Z

• R: Rotation around arbitrary axis

• V: V (sqrt X) phase

• S: S (sqrt Z) phase

• Interactive gates

• C: Controls another gate

• Cd: Reverse-controls another gate

• Sw: Swaps with another gate

• iSw: Imaginary swaps with another gate

• Measurement related

• M: Measurement gate

• O: Observation gate

• K: Komparator (Comparator) gate

Note

These gates may work for qudits as well as qubits.

Version History

• 0.0.1 2023-11-07 Initial release
• 0.0.2 2023-11-07 Minor corrections
• 0.0.3 2023-11-07 Minor corrections
• 0.0.4 2023-11-07 Minor corrections
• 0.0.5 2023-11-09 Removed dependancy on networkx package
• 0.0.6 2023-11-09 Enabled plotting of CNOT gate
• 0.0.7 2023-11-10 Enabled arguments and plotting of qubits
• 0.0.8 2023-11-14 Enabled several other gates
• 0.0.9 2023-11-15 Enabled measurement gates