Quantum electrodynamics and quantum optics

PHYS-453

Content covered by the course

This page is part of the content downloaded from Content covered by the course on Wednesday, 25 December 2024, 21:53. Note that some content and any files larger than 50 MB are not downloaded.

Page content

  • Coherent states, Quantization of a Harmonic Oscillator
    • Quantization of the electromagnetic field, quantization of electrical circuits
    • Coherent states 
    • Fock states
    • Squeezed states
  • Measuring the Quantum States of Light: 
    • Homodyne detection
    •  Measurements, photon counting
    • Representations (Q-function, Wigner function, P-representation)
  • Photon correlations 
    • HBT effect, g(2) measurements 
  • Strong coupling cavity QED.
    • Light matter interaction, dipole approximation
    • Quantum description of a laser
    • Cavity QED Hamiltonian 
    • Dispersive limit of cQED
    • Purcell effect
  • Applications of Cavity QED:
    • Generation of arbitrary quantum state of a Harmonic oscillator
    • Quantum Metrology 
    • Dispersive regime of cavity QED, QND measurements of Two level systems (qubits)
  • Quantum Nondemolition measurements (QND)
    • Quantum backaction in linear measurements
    • The standard quantum limit (SQL)
    • Backaction evading measurements (BAE)
  • Quantum theory of an amplifier 
    • QLE approach to negative temperature
    • Noise temperature and added photons
    • Phase sensitive and phase insensitive amplification processes
  • Degenerate OPO and Squeezed light generation.
    • Parametric amplification and squeezing using second harmonic generation 
  • Stochastic Schroedinger Equation and Measurement theory
  • Quantum Jumps, quantum trajectories
  • Other topics covered: Recent developments in quantum optics (quantum metrology, quantum communication, etc.), and use of Python Quantum Optical Toolbox to simulate open quantum systems