quos 0.0.11

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 quos.html

import quos
quos.qdoc()

To download quos.xlsm

import quos
quos.qxls()

To get argument for qplt

import quos
quos.qxls("ExcelFileWithSpecificationOfGates.xlsm")

To plot a circuit

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

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

To simulate a circuit

Under construction ...

Gates included

• Qubits

• 0: qubit in state 0

• 1: Qubit in state 1

• Q: Qubit in an arbitrary state specified by two angle arguments

• Individual gates without any argument

• I: Identity

• H: Hadamard

• X: (Pauli) X gate

• Y: (Pauli) Y gate

• Z: (Pauli) Z gate

• S: S (sqrt Z) phase

• T: T (Pi/8 phase gate)

• V: V (sqrt X) phase

• Individual gates with one angle argument

• Rx: Rotation around X

• Ry: Rotation around Y

• Rz: Rotation around Z

• Ph: Global phase gate

• Pp: Phase gate for second state

• Individual gates with three angle arguments

• U: Universal rotation around arbitrary axis

• Interactive gates

• C: Controls another gate: Needs affected gate

• Cd: Reverse-controls another gate: Needs affected gate

• Sw: Swaps with another gate: Needs connected Sw

• iSw: Imaginary swaps with another gate: Needs connected iSw

• Measurement related gates

• M: Measurement gate

• O: Observation gate

• K: Komparator (Comparator) gate

These gates can 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
• 0.0.10 2023-11-16 Enabled Excel file output
• 0.0.11 2023-11-20 Enabled simulation in Excel file