Search result: Catalogue data in Autumn Semester 2023
Physics Master  | ||||||||||||||||||||||||
 Electives | ||||||||||||||||||||||||
| Electives: Physics and Mathematics | ||||||||||||||||||||||||
| Selection: Quantum Electronics | ||||||||||||||||||||||||
| Number | Title | Type | ECTS | Hours | Lecturers | |||||||||||||||||||
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| 402-0442-05L | Advanced Topics in Quantum Optics  Does not take place this semester. | W | 4 credits | 2G | T. Esslinger | |||||||||||||||||||
| Abstract | The lecture will cover current topics and scientific papers in the wider field of quantum optics in an interactive format. First, the research area will be introduced, then several papers of this field will be presented by the students in the style of a journal club. Selected papers will be contrasted and their strengths and weaknesses discussed by the students in panel discussions. Furthermore, r | |||||||||||||||||||||||
| Learning objective | The aim of the lecture is to deepen and broaden the knowledge about current research in the field of quantum optics. In addition, it will also be discussed and critically examined how research results are communicated via publications and lectures and which techniques are used in the process. | |||||||||||||||||||||||
| Content | We will select topical fields in quantum optics and quantum science and discuss recently published work. Topics: - Atoms or ions-based quantum computing - Quantum simulation - Opto-mechanics - Driven and dissipative quantum systems - Cavity based atom-light interaction - Topological photonics The interactive part of the lecture will include presentations of recent papers, panel discussions of recent papers and the writing of a critical assessment of an arXiv paper in the style of a referee report. | |||||||||||||||||||||||
| 402-0444-00L | Dissipative Quantum Systems Does not take place this semester. | W | 6 credits | 2V + 1U | A. Imamoglu | |||||||||||||||||||
| Abstract | This course builds up on the material covered in the Quantum Optics course. The emphasis will be on quantum optics in condensed-matter systems. | |||||||||||||||||||||||
| Learning objective | The course aims to provide the knowledge necessary for pursuing advanced research in the field of Quantum Optics in condensed matter systems. Fundamental concepts and techniques of Quantum Optics will be linked to experimental research in systems such as quantum dots, exciton-polaritons, quantum Hall fluids and graphene-like materials. | |||||||||||||||||||||||
| Content | Description of open quantum systems using master equation and quantum trajectories. Decoherence and quantum measurements. Dicke superradiance. Dissipative phase transitions. Spin photonics. Signatures of electron-phonon and electron-electron interactions in optical response. | |||||||||||||||||||||||
| Lecture notes | Lecture notes will be provided | |||||||||||||||||||||||
| Literature | C. Cohen-Tannoudji et al., Atom-Photon-Interactions (recommended) Y. Yamamoto and A. Imamoglu, Mesoscopic Quantum Optics (recommended) A collection of review articles (will be pointed out during the lecture) | |||||||||||||||||||||||
| Prerequisites / Notice | Masters level quantum optics knowledge | |||||||||||||||||||||||
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| 402-0457-00L | Quantum Technologies for Searches of New Physics Does not take place this semester. | W | 6 credits | 2V + 1U | P. Crivelli | |||||||||||||||||||
| Abstract | Recent years have witnessed incredible progress in the development of new quantum technologies driven by their application in quantum information, metrology, high precision spectroscopy and quantum sensing. This course will present how these emerging technologies are powerful tools to address open questions of the Standard Model in a complementary way to what is done at the high energy frontier. | |||||||||||||||||||||||
| Learning objective | The aim of this course is to equip students of different backgrounds with a solid base to follow this rapidly developing and exciting multi-disciplinary field. | |||||||||||||||||||||||
| Content | The first lectures will be dedicated to review the open questions of the Standard Model and the different Beyond Standard Model extensions which can be probed with quantum technologies. This will include searches for dark sector, dark matter, axion and axion-like particles, new gauge bosons (e.g Dark photons) and extra short-range forces. The main part of the course will introduce the following (quantum) technologies and systems, and how they can be used for probing New Physics. - Cold atoms - Trapped ions - Atoms interferometry - Atomic clocks - Cold molecules and molecular clocks - Exotic Atoms - Anti-matter - Quantum Sensors | |||||||||||||||||||||||
| Prerequisites / Notice | The preceding attendance of introductory particle physics, quantum mechanics and quantum electronics courses at the bachelor level is recommended. | |||||||||||||||||||||||
| 402-0464-00L | Optical Properties of Semiconductors | W | 8 credits | 2V + 2U | G. Scalari, P. Anantha Murthy | |||||||||||||||||||
| Abstract | This course presents a comprehensive discussion of optical processes in semiconductors. | |||||||||||||||||||||||
| Learning objective | The rich physics of the optical properties of semiconductors, as well as the advanced processing available on these material, enabled numerous applications (lasers, LEDs and solar cells) as well as the realization of new physical concepts. Systems that will be covered include quantum dots, exciton-polaritons, quantum Hall fluids and graphene-like materials. | |||||||||||||||||||||||
| Content | Electronic states in III-V materials and quantum structures, optical transitions, excitons and polaritons, novel two dimensional semiconductors, spin-orbit interaction and magneto-optics. | |||||||||||||||||||||||
| Prerequisites / Notice | Prerequisites: Quantum Mechanics I, Introduction to Solid State Physics | |||||||||||||||||||||||
| 402-0465-58L | Intersubband Optoelectronics | W | 6 credits | 2V + 1U | G. Scalari, J. Faist | |||||||||||||||||||
| Abstract | Intersubband transitions in quantum wells are transitions between states created by quantum confinement in ultra-thin layers of semiconductors. Because of its inherent taylorability, this system can be seen as the "ultimate quantum designer's material". | |||||||||||||||||||||||
| Learning objective | The goal of this lecture is to explore both the rich physics as well as the application of these system for sources and detectors. In fact, devices based on intersubband transitions are now unlocking large area of the electromagnetic spectrum. | |||||||||||||||||||||||
| Content | The lecture will treat the following chapters: - Introduction: intersubband optoelectronics as an example of quantum engineering -Technological aspects - Electronic states in semiconductor quantum wells - Intersubband absorption and scattering processes - Mid-Ir and THz ISB Detectors -Mid-infrared and THz photonics: waveguides, resonators, metamaterials - Quantum Cascade lasers: -Mid-IR QCLs -THZ QCLs (direct and non-linear generation) -further electronic confinement: interlevel Qdot transitions and magnetic field effects -Strong light-matter coupling in Mid-IR and THz range | |||||||||||||||||||||||
| Lecture notes | The reference book for the lecture is "Quantum Cascade Lasers" by Jerome Faist , published by Oxford University Press. | |||||||||||||||||||||||
| Literature | Mostly the original articles, other useful reading can be found in: -E. Rosencher and B. Vinter, Optoelectronics , Cambridge Univ. Press -G. Bastard, Wave mechanics applied to semiconductor heterostructures, Halsted press | |||||||||||||||||||||||
| Prerequisites / Notice | Requirements: A basic knowledge of solid-state physics and of quantum electronics. | |||||||||||||||||||||||
| 402-0468-15L | Nanomaterials for Photonics Does not take place this semester. | W | 6 credits | 2V + 1U | R. Grange | |||||||||||||||||||
| Abstract | The lecture describes various nanomaterials (semiconductor, metal, dielectric, carbon-based...) for photonic applications (optoelectronics, plasmonics, ordered and disordered structures...). It starts with concepts of light-matter interactions, then the fabrication methods, the optical characterization techniques, the description of the properties and the state-of-the-art applications. | |||||||||||||||||||||||
| Learning objective | The students will acquire theoretical and experimental knowledge about the different types of nanomaterials (semiconductors, metals, dielectric, carbon-based, ...) and their uses as building blocks for advanced applications in photonics (optoelectronics, plasmonics, photonic crystal, ...). Together with the exercises, the students will learn (1) to read, summarize and discuss scientific articles related to the lecture, (2) to estimate order of magnitudes with calculations using the theory seen during the lecture, (3) to prepare a short oral presentation and report about one topic related to the lecture, and (4) to imagine an original photonic device. | |||||||||||||||||||||||
| Content | 1. Introduction to nanomaterials for photonics a. Classification of nanomaterials b. Light-matter interaction at the nanoscale c. Examples of nanophotonic devices 2. Wave physics for nanophotonics a. Wavelength, wave equation, wave propagation b. Dispersion relation c. Interference d. Scattering and absorption e. Coherent and incoherent light 3. Analogies between photons and electrons a. Quantum wave description b. How to confine photons and electrons c. Tunneling effects 4. Characterization of Nanomaterials a. Optical microscopy: Bright and dark field, fluorescence, confocal, High resolution: PALM (STORM), STED b. Light scattering techniques: DLS c. Near field microscopy: SNOM d. Electron microscopy: SEM, TEM e. Scanning probe microscopy: STM, AFM f. X-ray diffraction: XRD, EDS 5. Fabrication of nanomaterials a. Top-down approach b. Bottom-up approach 6. Plasmonics a. What is a plasmon, Drude model b. Surface plasmon and localized surface plasmon (sphere, rod, shell) c. Theoretical models to calculate the radiated field: electrostatic approximation and Mie scattering d. Fabrication of plasmonic structures: Chemical synthesis, Nanofabrication e. Applications 7. Organic and inorganic nanomaterials a. Organic quantum-confined structure: nanomers and quantum dots. b. Carbon nanotubes: properties, bandgap description, fabrication c. Graphene: motivation, fabrication, devices d. Nanomarkers for biophotonics 8. Semiconductors a. Crystalline structure, wave function b. Quantum well: energy levels equation, confinement c. Quantum wires, quantum dots d. Optical properties related to quantum confinement e. Example of effects: absorption, photoluminescence f. Solid-state-lasers: edge emitting, surface emitting, quantum cascade 9. Photonic crystals a. Analogy photonic and electronic crystal, in nature b. 1D, 2D, 3D photonic crystal c. Theoretical modelling: frequency and time domain technique d. Features: band gap, local enhancement, superprism... 10. Nanocomposites a. Effective medium regime b. Metamaterials c. Multiple scattering regime d. Complex media: structural colour, random lasers, nonlinear disorder | |||||||||||||||||||||||
| Lecture notes | Slides and book chapter will be available for downloading | |||||||||||||||||||||||
| Literature | References will be given during the lecture | |||||||||||||||||||||||
| Prerequisites / Notice | Basics of solid-state physics (i.e. energy bands) can help | |||||||||||||||||||||||
| 402-0492-00L | Experimental Techniques in Quantum and Electro-Optics | W | 6 credits | 2V + 1U | D. Kienzler, D. Prado Lopes Aude Craik | |||||||||||||||||||
| Abstract | We will cover experimental issues in making measurements in modern physics experiments. The primary challenge in any measurement is achieving good signal to noise. We will cover areas such as optical propagation, electronics, noise limits and feedback control. Methods for stabilizing frequencies and intensities of laser systems will also be described. | |||||||||||||||||||||||
| Learning objective | I aim to give an in depth understanding of experimental issues for students wishing to work on experimental science. The methods covered are widely applicable in modern physics, since light and electronics are the primary methods by which measurements are made across the field. | |||||||||||||||||||||||
| Content | The course will cover a number of different areas of experimental physics, including Optical elements and propagation Electronics and Electronic Noise Optical Detection Control Theory Examples from a modern quantum information laboratory will be discussed and illustrated through active devices in the lecture. | |||||||||||||||||||||||
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