Design of nonlinear integrated devices for quantum optics applications / vorgelegt von Matteo Santandrea ; [Erstgutachter: Prof. Dr. Christine Silberhorn, Zweitgutachter: Prof. Dr. Torsten Meier]. Paderborn, 2019
Inhalt
0 Erklärung der Selbstständigkeit
0 Summary
0 Zusammenfassung
0 Preface
0 Introduction
0 List of abbreviations and nomenclature
Background
1 Integrated waveguides
Ray optics description
Rigorous mathematical description
Asymmetric slab waveguide
Numerical methods
2 Nonlinear optics in waveguiding structures
Nonlinear material response
Nonlinear coupled-mode theory in waveguides
Three wave mixing in waveguides
SFG at perfect phase matching
Phase matching spectrum of SHG processes under NPDA
Final remarks
Understanding and tailoring three wave mixing
Elements of ultrafast quantum optics
3 Nonlinear materials and waveguide fabrication
Design of nonlinear processes
4 Design of nonlinear processes in KTP
5 Effect of inhomogeneities in nonlinear systems
Qualitative model
Phase matching in inhomogeneous waveguides.
Mathematical modelling of waveguide inhomogeneities
Analysis of different types of noises
Impact of fabrication errors in squeezing generation.
Impact of fabrication errors on quantum information encoding.
Impact of fabrication errors on the performance of a bandwidth compressor.
Reconstruction of sample inhomogeneity
Correction of fabrication imperfection
General theory of waveguide inhomogeneities
6 Second harmonic losses
7 Design of nonlinear processes in LNOI
Dispersion relations of LNOI waveguides
Modelling of LNOI waveguides
Numerical derivation of the dispersion relations
Dependence of the dispersion relation on the waveguide geometry: a qualitative analysis
Process engineering in LNOI waveguides
Pure degenerate PDC states in LNOI
Identification of the design parameters
Sensitivity of the PDC process to fabrication errors
Conversion efficiency of type II PDC
Analysis of facet reflectivity
8 Conclusions
Appendix