Quantum Cloud Programming

This repo contains implementations of a few programs which can run on simulators as well as actual quantum hardware written using libraries provided by major quantum software stack providers.

Instructions for installing external dependecies and configuring each cloud provider are available in the respective folders.

Work till commit 388d874 was done during internship at Robert Bosch Engineering and Business Solutions (RBEI)

Index

Organisation	Software / Product	Program	Device Used	Description
IBM	Qiskit	Basics of Qiskit	Statevector Simulator
		Random bit generator	IBM-Q Armonk	Single qubit circuit to understand the concept of circuits and gates in QC
		Quantum teleportation	Statevector Simulator
		Quantum key distribution	QASM Simulator	Naieve implementation of BB84 quantum cryptography protocol
		Error correction	IBM-Q Athens / IBM-Q Rome	To demonstrate mitigation of read-out error in quantum circuits
		Circuit Optimization	-	Optimize a circuit presented in the form of a unitary matrix
Google	Cirq	Half adder	Cirq Simulator	The classic half adder circuited ported to run on quantum computers
			Quantum Engine API
Rigetti	PyQuil	Shor's algorithm	15 qubit QVM	Implementation of Shor's algorithm for factorising prime numbers
			QPU
DWave	Ocean	Maxcut problem	DW_2000Q_6 (2000 qubit quantum annealer)	Optimization problem defined as a QUBO
		0/1 knapsack problem	DW_2000Q_6 (2000 qubit quantum annealer)	Optimization problem defined as a QUBO
		Task assignment problem	DW_2000Q_6 (2000 qubit quantum annealer)	Optimization problem defined as a QUBO
Zapata	Orquestra
Microsoft	QDK + Q#		Q# Simulator
	Azure Quantum
Xanadu	Strawberry Fields

Remarks

Programs implemented as a part of IBM Quantum Challenge (May 2020):
- Basics of Qiskit
- Quantum key distribution (using BB84 algorithm)
- Error correction
- Circuit Optimization
Reference implementation for quantum teleportation: https://github.com/quantumlib/Cirq/blob/master/examples/quantum_teleportation.py
BB84 algorithm: https://en.wikipedia.org/wiki/BB84
Waiting for access to systems:
- Google's Quantum Engine API
- Rigetti's cloud QPU
- Zapata's Orquestra
- Microsoft's Azure Quantum
The concepts of operations used in Xanadu's photonic quantum computers are completely different from superconducting and ion-trap based quantum computers.
WIP
- Implementation of any algorithm using Q# and QDK

Acknowledgment

I want to thank Sri Krishnan V, Mohan B V, Manojkumar Parmar and Dr. Anjani Priyadarsini from Robert Bosch Engineering and Business Solutions, India, for their valuable comments, contributions and continued support to the project.

License

MIT License

Copyright (c) 2020 Shrey

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Contributors ✨

Thanks goes to these wonderful people (emoji key):

_{Manojkumar Parmar}
🤔

_Shrey
💻

This project follows the all-contributors specification. Contributions of any kind welcome!

License

sdabhi23/q-cloud-programming

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