Tailored non-linear processes for quantum technologies : once upon a time-frequency ... / Author: Jano Gil Lopez, Supervisor: Prof. Dr. Christine Silberhorn. Paderborn, 2022
Inhalt
- Erklärung der Selbstständigkeit
- Summary
- Zusammenfassung
- Preface
- Introduction
- I Theoretical framework
- 1 Waveguides in a nutshell
- 2 Non-linear optics
- 2.1 The non-linear polarization
- 2.2 Non-linear coupled-wave equations in waveguides
- 2.2.1 Quasi-phase-matching and periodic poling
- 2.2.2 Phase-matching function
- 2.2.3 Evolution and efficiency of the generated field
- 2.3 Pulsed non-linear processes
- 2.4 Non-linear waveguide platforms
- 2.4.1 Lithium niobate
- 2.4.2 Titanium diffused LN waveguides
- 2.4.3 Potassium titanyl phosphate
- 2.4.4 Rubidium exchanged KTP waveguides
- 2.5 Waveguide inhomogeneities and where to find them
- 3 A quantum language
- II Design and application of Quantum non-linear devices
- 4 Quantum networks: state of the art
- 4.1 Quantum light sources
- 4.2 Quantum memories
- 4.3 Quantum information processing
- 4.4 The challenges for realistic quantum devices
- 5 QFC: design and characterization
- 6 The QPG at work
- 6.1 QPG experimental setup
- 6.2 Quantum metrology
- 6.2.1 Fisher information and parameter estimation
- 6.2.2 Quantum parameter estimation with the QPG
- 6.2.3 Multiparameter estimation
- 6.2.4 Coherence effects
- 6.3 Randomized compressive tomography
- 7 Orchestrating high-dimensional PDC states
- Conclusions
- Acknowledgements