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Semiconductor Quantum Electronics

Course 0000000689 in SS 2024

General Data

Course Type lecture
Semester Weekly Hours 2 SWS
Organisational Unit Experimental Semiconductor Physics
Lecturers Martin Brandt
Dates Thu, 10:00–12:00, ZNN 0.001

Assignment to Modules

  • PH2290: Halbleiter-Quantenelektronik / Semiconductor Quantum Electronics
    This module is included in the following catalogs:
    • Specific catalogue of special courses for condensed matter physics
    • Specific catalogue of special courses for Applied and Engineering Physics
    • Focus Area Experimental Quantum Science & Technology in M.Sc. Quantum Science & Technology
    • Complementary catalogue of special courses for nuclear, particle, and astrophysics
    • Complementary catalogue of special courses for Biophysics

Further Information

Courses are together with exams the building blocks for modules. Please keep in mind that information on the contents, learning outcomes and, especially examination conditions are given on the module level only – see section "Assignment to Modules" above.

additional remarks Semiconductor-based quantum electronic devices and circuits play a pivotal role in the current development of processors for quantum computing, in particular since they can be integrated with the highly versatile existing microelectronics. Furthermore, these devices are fabricated using identical technology. The aim of this module is to introduce the students to the current concepts for semiconductor-based nanoelectronics for quantum applications, with a focus on electrostatically defined quantum dots and donors as the elementary quantum bits (qubits). The module will introduce the basic physics, the fabrication and the operational principles of these qubits and will discuss the current status of both approaches with respect, e.g., to relaxation, decoherence and scalability. For the manipulation of these qubits, magnetic resonance is used, which will be briefly reviewed. Specific topics will include: Review of fundamental semiconductor physics (crystal structure, band structure, excitons, dopants) Materials for semiconductor quantum electronics (Si, SiGe, III-V semiconductors including GaAs/AlGaAs, isotope engineering, heterostructures) Fabrication of devices for quantum electronics (molecular beam epitaxy, electron beam lithography, single ion implantation, STM lithography) Two-dimensional electron gases (electrostatics, diffusive and ballistic transport, g-factor) Review of spin physics (electron and nuclear spins, magnetic resonance, relaxation and decoherence)Electrostatically defined quantum dots (electronic transport, Coulomb diamond, single electron transistor, capacitance model, spin states, spin-to-charge conversion, Kondo effect) Spin interaction with the environment (spin orbit interaction, hyperfine interaction) Coupled quantum dots (electronic properties, spin blockade, hyperfine effects) Spin physics of dopants (g-factor, hyperfine coupling, quadrupole interaction) Electrically detected magnetic resonance Single donor spins (readout via SET, coupling of donors, hyperfine effects) Comparison of quantum electronic systems discussed Quantum processors (topologies, quantum state transfers, the current state-of-the-art of such processors, challenges) Hybrid quantum systems with microwaves, optical photons and/or phonons
Links Course documents
E-Learning course (e. g. Moodle)
TUMonline entry
TUMonline registration

Equivalent Courses (e. g. in other semesters)

SS 2023 Semiconductor Quantum Electronics Brandt, M. Thu, 10:00–12:00, ZNN 0.001
SS 2022 Semiconductor Quantum Electronics Brandt, M. Thu, 09:00–10:30, ZNN 0.001
SS 2021 Semiconductor Quantum Electronics Brandt, M. Thu, 14:00–16:00, virtuell
SS 2020 Semiconductor Quantum Electronics Brandt, M. Thu, 14:00–16:00, ZNN 0.001
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