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Introduction to Qiskit
The document provides an introduction to Qiskit and the principles of quantum computing, detailing foundational concepts such as superposition, entanglement, and quantum algorithms. It discusses the challenges faced in quantum computing, including qubit retention, noise, and the development of better algorithms. Additionally, it outlines the components of Qiskit, such as Terra, Aqua, Ignis, and Aer, which serve different functions in quantum programming and simulation.
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Introduction to Qiskit and the presenter Shadab Hussain at Quantum Computing India.
Describes three quantum mechanical properties: Superposition, Entanglement, Interference.
Introduction to Qubits, including representation |0⟩ and |1⟩, combining states.
Key features of Quantum Computing: Superposition, Entanglement, Reversible computing, Privacy.
Overview of important quantum algorithms including Shor's, Grover's, and VQE.
Common problems in QC: decoherence, noise, optimization algorithms, data storage, and debugging.
Various domains in Quantum Computing including mechanics, information, computation, cryptography.
Key quantum gates explanation: Pauli-X, Hadamard, and CX (CNOT) gates.
An overview of Qiskit, an SDK for NISQ Computers with tools for various backends.
Introduction to Qiskit Terra, the foundational software stack for composing quantum programs.
Details about Qiskit Aqua's library for quantum algorithms meant for various applications.
Introduction to Qiskit Ignis, focused on understanding and mitigating noise in quantum systems.
Features of Qiskit Aer, a high-performance simulator framework for executing quantum circuits.
Statistics on Qiskit's usage: 100K unique users, 6 million experiments run, and 130 papers published.
Conclusion and thank you from the presentation.
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Introduction to Qiskit
- 1.IntroductionTo QiskitShadab HussainQuantumComputing Indiahttps://shadabhussain.com
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- 4.https://shadabhussain.com Quantum ComputingIndia 4Quantum PropertiesThree quantum mechanical properties —SuperpositionSuperposition refers to acombination of states we wouldordinarily describe independently. Tomake a classical analogy, if you playtwo musical notes at once, what youwill hear is a superposition of thetwo notes.EntanglementEntanglement is a famously counter-intuitive quantum phenomenondescribing behavior we never see inthe classical world. Entangledparticles behave together as asystem in ways that cannot beexplained using classical logic.InterferenceFinally, quantum states can undergointerference due to a phenomenonknown as phase. Quantuminterference can be understoodsimilarly to wave interference; whentwo waves are in phase, theiramplitudes add, and when they areout of phase, their amplitudes cancel.
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- 9.https://shadabhussain.com Quantum ComputingIndia 9From Bits to QubitsQuantum bit (Qubit):
- 10.https://shadabhussain.com Quantum ComputingIndia 100From Bits to Qubits1
- 11.https://shadabhussain.com Quantum ComputingIndia 11From Bits to Qubits|1⟩|0⟩|0⟩ + |1⟩
- 12.https://shadabhussain.com Quantum ComputingIndia 12Properties that make QC Different• SuperpositionExponential speedups as number of qubits grow• EntanglementSpooky action at a distance.• Reversible computing10-15W vs 20kW• Privacy (No-cloning theorem)
- 13.https://shadabhussain.com Quantum ComputingIndia 13Quantum Algorithms● Shor’s factorization algorithm● Grover’s search algorithm● Deutsch - Jozsa algorithm● HHL algorithm - Useful in the NISQ era (these are mostly hybrid algorithms)● QAOA - Quantum Approximate Optimization Algorithm● VQE - Variational Quantum Eigen-solver
- 14.https://shadabhussain.com Quantum ComputingIndia 14Problems● Hard to build and retain qubits due to decoherence● High amount of noise● Need for better quantum algorithms (Optimization)● Algorithms like Shor’s can’t be implemented today● All hardwares have their own pros and cons● Data storage?● Debugging?
- 15.https://shadabhussain.com Quantum ComputingIndia 15CategoriesQuantum MechanicsQuantum InformationQuantumComputationGate based Annealing , ...QuantumCryptographyInformation TheoryQuantum KeyDistributionQuantum ErrorCorrection
- 16.https://shadabhussain.com Quantum ComputingIndia 16Pauli - X gate● Similar toclassical NOT● Flips |0> to |1>and vice versa
- 17.https://shadabhussain.com Quantum ComputingIndia 17Hadamard (H) GatePuts any state in anequal superpositionof basis states (phasewill vary)
- 18.https://shadabhussain.com Quantum ComputingIndia 18CX/CNOT● (If…then) -- XOR?● If (control = 1){Then flip target qubit}
- 19.https://shadabhussain.com Quantum ComputingIndia 19Qiskit• SDK for working with Noisy Intermediate-Scale Quantum (NISQ) Computers• Apache 2.o License• Designed to be backend agnostic• Includes out-of-the-box local simulators and support for running on IBMQ
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- 22.https://shadabhussain.com Quantum ComputingIndia 22Qiskit TerraA solid foundation for Quantum Computing
- 23.https://shadabhussain.com Quantum ComputingIndia 23About TerraQiskit Terra provides thefoundational roots for our softwarestack. Within Terra is a set of toolsfor composing quantum programs atthe level of circuits and pulses,optimizing them for the constraints ofa particular physical quantumprocessor, and managing the batchedexecution of experiments on remote-access backends. Terra is modularlyconstructed, simplifying the additionof extensions for circuit optimizationsand backends.
- 24.https://shadabhussain.com Quantum ComputingIndia 24Qiskit AquaAlgorithms for quantum computing applications
- 25.https://shadabhussain.com Quantum ComputingIndia 25About AquaQiskit Aqua contains a library ofcross-domain quantum algorithmsupon which applications for near-term quantum computing can bebuilt. Aqua is designed to beextensible, and employs a pluggableframework where quantumalgorithms can easily be added. Itcurrently allows the user toexperiment on chemistry, AI,optimization and finance applicationsfor near-term quantum computers.
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- 27.https://shadabhussain.com Quantum ComputingIndia 27Qiskit IgnisUnderstanding and mitigating noise inquantum systems
- 28.https://shadabhussain.com Quantum ComputingIndia 28About IgnisQiskit Ignis is a framework forunderstanding and mitigating noise inquantum circuits and systems. Theexperiments provided in Ignis aregrouped into the topics ofcharacterization, verification andmitigation. Characterizationexperiments are designed to measurenoise parameters in the system.Verification experiments are designedto verify gate and small circuitperformance. Mitigation experimentsrun calibration circuits that areanalyzed to generate mitigationroutines that can be applied toarbitrary sets of results run on thesame backend.
- 29.https://shadabhussain.com Quantum ComputingIndia 29Qiskit AERA high performance simulator frameworkfor quantum circuits
- 30.https://shadabhussain.com Quantum ComputingIndia 30About AerQiskit Aer provides a highperformance simulator framework forthe Qiskit software stack. It containsoptimized C++ simulator backendsfor executing circuits compiled inQiskit Terra, and tools forconstructing highly configurablenoise models for performing realisticnoisy simulations of the errors thatoccur during execution on realdevices.
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- 32.https://shadabhussain.com Quantum ComputingIndia 32100KUnique Users6 MillionExperiments Run130Scientific Papers
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- 34.https://shadabhussain.com Quantum ComputingIndia 34Thank You