Introduction to quantum science and technology
QUANT-400
Media
QUANT-400 Introduction to quantum science and technology - Fall 2022
IMG_4340
15.09.2023, 20:24
Illustration of postulates of QM and examples for quantum bits
Week 14 Dec 19 Part II Hardware Technologies and Applications
19.12.2022, 16:06
Week 13 Dec 12 Part I Hardware Technologies and Applications
14.12.2022, 00:00
Week 10 - Trapped Ions QIP by Prof. Cornelius Hempel
22.11.2022, 14:07
Week 10 - cQED PART4
21.11.2022, 16:48
Week10 -Spin Qubits in Semiconductor QDs
21.11.2022, 16:38
Week 09 - cQED PART 3
14.11.2022, 15:45
Week 09 - cQED PART 2
14.11.2022, 15:30
Week 09 - cQED PART 1
14.11.2022, 15:20
Week 08 - Variational Algorithms
07.11.2022, 11:48
Week 07 - Classical and quantum solutions to Schroedinger's equation
31.10.2022, 11:27
CHSH inequality
24.10.2022, 11:55
QKD end. Dense Coding. Teleportation
24.10.2022, 11:54
QKD and BB84
24.10.2022, 11:37
Distributed Quantum Computation
17.10.2022, 12:50
Distributed quantum computing
17.10.2022, 12:41
Quantum Simulation
10.10.2022, 13:27
Deutsch/Grover's
10.10.2022, 11:51
Deutsch Algorithm, Grover's Algorithm
Intro to Quantum Information
03.10.2022, 12:01
Bloch sphere, basic gates and measurements.
The Postulates of Quantum Mechanics
19.09.2022, 09:34
Introduction to Quantum Science and Technology
19.09.2022, 09:31
This file is part of the content downloaded from Introduction to quantum science and technology.
Regular course schedule:
- Lectures on Monday // 8:15 until 10:00 // room CHB331
- Exercise sessions on Monday // 10:00 until 12:00 AM // room CHB331
SWITCHtube channel link here (This is the 2022 edition and is given here as an aid. They are not meant to replace this year's in-presence lectures. Materials, instructors, ordering of lectures, have changed, although content is to a large extent similar.)
Course instructors and topics:
Weekly topics are indicative and will be adapted by each professor as the semester goes on.
- Nicolas Macris (IC SMILS) Information and communication
- Nicolas Macris (SB IPHYS) Computation and simulation
- Pasquale Scarlino (SB HQC) Quantum phys & tech: qubit platforms selected topics
- Edoardo Charbon (STI AQUA) Hardware technologies and applications
TAs: Elena Acinapura, Gian Gentinetta Student TA: Romain Couyoumtzelis
A few resources in epfl library:
- The physics of information technology / Gershenfeld
- Quantum computation and quantum information / Nielsen and Chuang
- Quantum computer science: an introduction /Mermin
- Bharti, K., et al., 2022. Noisy intermediate-scale quantum algorithms. Rev. Mod. Phys. 94, 015004
EXAM: the exam is open book with the material distributed this semester. You can download the material on your computer before the exam. You must imperatively turn your wifi of during the exam.
Exam date and room: Friday 30 January 9h15 - 12h15 Room GR A3 31
8 SEPT - Introduction and basics
Nicolas Macris, (no exercises for this session: class from 8h15 to approx 12h)
- Introduction and overview of class
- Axioms of Quantum Theory
- Bracket notation, qubits, Bloch Sphere
- Two level systems, spin
- Hamiltonian in a magnetic field and unitary dynamics.
- Introduction basics & Axioms of QM & Application to two level system (or QUBIT) (File)
- video 1 math basics (URL)
- video 2 math cont and Axioms of QM (URL)
- video 3 application to two level systems (URL)
15 SEPT - Information and communication
Nicolas Macris, course 8h-10h, exercises 10h-12h
- Density matrix, von Neuman entropy
- partial density matrices and entanglement entropy
- Illustrations with two qubits systems
- Density matrix, partial density matrices (File)
- Von Neumann entropy, entanglement entropy (File)
- Schmidt Theorem Proof (File)
- Exercise set 1: information and communication (File)
- Solution set 1: information and communication (File)
- extra video - unitary dynamics of two level systems (URL)
- extra video - partial density matrix (URL)
- extra video - von Neumann entropy (URL)
22 SEPT - holiday (jeune fédéral)
29 SEPT - Information and communication
Nicolas Macris - course 8h-10h, exercises 10h-12h
- Quantum Key Distribution (BB84, B92)
- Dense coding and Teleportation
- Circuit representations of the protocols
- Tripartite QKD, Secret sharing (discussion)
- Exercise set 2: information and communication (File)
- Solution set 2: information and communication (File)
- QKD BB84 B92.pdf (File)
- Dense coding and teleportation.pdf (File)
- video hour 2 entanglement entropy - QKD BB84 protocol (URL)
- video hour 3 Dense coding (URL)
6 OCT - Information and communication
Nicolas Macris - course 8h-10h, exercises 10h-12h
- Bell inequalities and QKD (Ekert 91 protocol)
- Tsirelson bound(s) and Tsirelson's problem (review)
- Possibly one selected topic from:
- tripartite schemes and secret sharing,
- or quantum games (magic squares)
- or multiparty Bell inequalities and how to construct them
- CHSHinequality, Ekert91Protocol: overview (File)
- Complement on the proof of CHSH inequality and discussion of locality assumption (File)
- Chosen topics: Tsirelson bound, Tsirelson problem, Multiparty bell inequalities (File)
- Exercise set 3: information and communication (File)
- solution set 3: information and communication (File)
- video hour 3 Bell inequality and Tsirelson's problem overview (URL)
13 OCT - Computation and Simulation
Nicolas Macris - course 8h-10h, exercises 10h-12h
Introduction to quantum computation:
- Classical circuits (E. Post theorem, irreversibility and reversibility), quantum circuit model of Deutsch (universal gates theorem).
- The Deutsch and Josza problem and algorithm.
- The phase estimation problem and Kitaev's algorithm
- Classical and quantum circuit models of computation: basics (File)
- Deutsch and Josza algorithm: details (File)
- Phase estimation algorithm: details (File)
- Quantum computing summary (File)
- Exercise set 1: computation and simulation (File)
- solution set 1: computation and simulation (File)
20 OCT - holiday (fall break)
27 OCT - Computation and Simulation
Nicolas Macris - course 8h-10h, exercises 10h-12h
Simulating physical systems:
- Quantum spin systems
- Trotter product formula
- Ideas for implementing a circuit
- Quantum adiabatic method and quantum alternating method
- quantum simulation (File)
- Python tutorial notebook (File)
- Exercise set 2: computationa and simulation (File)
- solution set 2: computation and simulation (File)
- Trotter spliting (File)
3 NOV - Computation and simulation
Nicolas Macris - course 8h-10h, exercises 10h-12h
Variational quantum algorithms:
- Variational principle, ground state, excited states
- Parametrized quantum circuits
- Optimization algorithms, in particular QAOA
- Parameter shift rule
- Fermion to qubit mappings (if time allows)
- Quantum optimization algorithms (File)
- Exercise set 3: Computation and simulation (File)
- Solution set 3 Solution: Computation and Simulation (File)
10 NOV - quantum phys & tech: qubit platforms selected topics
Pasquale Scarlino - course 8h-10h, exercises 10h-12h
- Introduction to qubit platforms (superconducting qubits pt1).
- Qubit plaforms - Slides Lecture 1, 2, 3 (File)
- Book material - Two-level systems (File)
- Book material - Superconducting circuits (File)
- Qubit platforms - Exercise 1 (File)
- Qubit platforms - Exercise 1 Solutions (File)
17 NOV - quantum phys & tech: qubit platforms selected topics
Pasquale Scarlino -course 8h-10h, exercises 10h-12h
- Introduction to qubit platforms (superconducting qubits pt2).
- Introduction to qubit platforms (spin qubits if time permits).
24 NOV - quantum phys & tech: qubit platforms selected topics
Pascale Scarlino - course 8h-10h, exercises 10h-12h
1 DEC - hardware technologies and applications
Edoardo Charbon - course 8h-10h, exercises 10h-12h
- The quantum stack, Quantum-classical interfaces
- From fidelity to electronic circuit specifications
- Cryogenic electronics to control quantum systems
- Quantum sensing & metrology
8 DEC - hardware technologies and applications
Prof. Edoardo Charbon - course 8h-10h, exercises 10h-12h
- The quantum stack, Quantum-classical interfaces
- From fidelity to electronic circuit specifications
- Cryogenic electronics to control quantum systems
- Quantum sensing & metrology
15 DEC - hardware technologies and applications
Prof. Edoardo Charbon - course 8h-10h, exercises 10h-12h
- The quantum stack, Quantum-classical interfaces
- From fidelity to electronic circuit specifications
- Cryogenic electronics to control quantum systems
- Quantum sensing & metrology
Previous Exam questions
- exam 2022 edition (File)
- solutions to Q5 of 2022 exam - Ionescu (File)
- exam 2023 edition (File)
- exam 2024 edition (File)