IBM Quantum
Basics of Quantum Information (IBM Learning)
IBM's free interactive introduction to quantum information. Covers single and multi-qubit states, quantum circuits, and entanglement with interactive exercises.
Topic
Quantum Information
10 courses · 2 tutorials
Courses
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edX
The Quantum Internet and Quantum Computers: How Will They Change the World?
Delft University of Technology (QuTech)
A Delft introduction with little maths: what a quantum computer is, and what a quantum internet is for.
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edX
Applied Quantum Computing I: Fundamentals (Purdue)
Purdue University / Pramey Upadhyaya
The first course in Purdue University's Applied Quantum Computing series. Teaches the postulates of quantum mechanics and how they map onto present-day quantum information processing models including computation, simulation, optimization, and machine learning.
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Prof. Isaac Chuang and Prof. Peter Shor, MIT
Quantum Information Science I (MIT Open Learning Library)
MIT's three-part interactive course on quantum information science covering quantum mechanics, protocols, algorithms, and communication. Fully free with graded exercises on the Open Learning Library.
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edX
Fundamentals of Quantum Information
Delft University of Technology (QuTech)
A Quantum 201 course from Delft. Quantum information written as circuits, and what you can do with entanglement.
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Coursera
Introduction to Quantum Information (KAIST)
KAIST / Joonwoo Bae
KAIST's beginning-graduate-level introduction to quantum information, taught by Joonwoo Bae. Covers qubits, the axioms of quantum theory, entanglement as a resource, quantum teleportation, gates, circuits, and quantum communication channels.
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Prof. John Preskill, Caltech
Quantum Computation (Caltech PHYS 219)
Prof. John Preskill's lecture notes for Caltech PHYS 219. Free graduate notes on quantum information, algorithms, error correction, and cryptography.
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Prof. Peter Shor, MIT
Quantum Computation (MIT OpenCourseWare)
MIT's graduate-level quantum computation course covering quantum algorithms, complexity theory, and quantum information. Lecture notes and problem sets freely available.
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IQC Faculty, University of Waterloo
Quantum Information (University of Waterloo IQC)
Graduate quantum information at the University of Waterloo's Institute for Quantum Computing. Courses on information, cryptography, and error correction.
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Dr. Daniel Gottesman, Perimeter Institute
Quantum Information Review (Perimeter Institute / PIRSA)
Daniel Gottesman's graduate-level quantum information lecture series recorded at Perimeter Institute. Fifteen recorded lectures covering entanglement, channels, error correction, and cryptography. Freely available on PIRSA.
Free Tutorials
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- intermediate
- 25 min read
Density Matrices and Mixed States in Qiskit
Understand density matrices, mixed states, and the partial trace. Essential for reasoning about noise, decoherence, and real hardware, with working Qiskit examples.
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- beginner
- 12 min read
Quantum Entanglement Explained
What entanglement actually is, why Einstein hated it, and why it's essential for quantum computing and quantum communication.