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Periodically poled waveguides in potassium titanyl phosphate : from technology development to applications / vorgelegt von Christof Eigner. Paderborn, 2019
Inhalt
1 Summary
2 Zusammenfassung
3 Preface
4 Introduction
5 Fundamental Theory
Nonlinear Optics
Nonlinear Polarisation
Second Order Nonlinearity
Coupled Wave Equations
Phase Matching
Birefringent Phase Matching
Quasi-Phase Matching
Second Harmonic Generation
Potassium Titanyl Phosphate
Crystallographic Structure
Non-stoichiometric KTP
Ionic Conductivity
Domain Inversion
Curie Temperature
Spontaneous Polarisation and Optical Nonlinearity
Polarisation Reversal and Ferroelectric Domains
Coercive Field Strength
Rubidium Doping of KTP
Optical Properties
Gray Tracking
Material Dispersion
6 Technology
State of the Art: Periodically Poled Waveguides in KTP
Poling Techniques
Electric Field Poling Monitoring
Electro-optical Monitoring Technique
Waveguide Fabrication Techniques
Characterisation Techniques
In-house Processing
Chosen Technologies
Periodic Poling
Insulating Layer Structuring
Metallic Electrode Poling Holder
Liquid Electrode Poling Holder
Experimental Setup for Periodic Poling
Waveguide Fabrication
Potassium Treatment
Exchange Setup
Exchange Procedure
Channel Waveguides
Exchange Mask Definition
Waveguide Endfacet Polishing
Ridge Waveguides
Poled Waveguide Results
Doped and Undoped Bulk KTP Properties
KTP Absorption Characteristics
Ionic Conductivity Characteristics
Coercive Field Strength Characteristics
Gray Tracking Characteristics
Sequence of Sample Fabrication
Poling after Waveguide Fabrication
Fabrication
Results
EDX Depth Analysis Depending on Waveguide Widths
Raman Analysis of Domain Inversion in Waveguides
Poling prior to Waveguide Fabrication
Fabrication
Results
EDX Depth Analysis Depending on Spontaneous Polarisation
Discussion
Comparison of the Fabrication Results
7 Coatings
Optical Dielectric Coatings
Optical Coating Designs
Optical Coating Techniques
Our Coating Facility
Broad Band Monitoring
Realised Coatings
Novel Types of Dielectric Coatings
8 Applications
Spatial Single Mode Sources at 800 nm
KTP Sources in the Visible Regime
Ridge Waveguides
State of the Art: Ridge Waveguides
Ridge Waveguide Modelling
Ridge Waveguide Fabrication
Ridge Dicing
Optical Characterisation of Ridge Waveguides
Transmission Losses in Ridge Waveguides
Spatial Modes in Ridge Waveguides
Phase Matching in Ridge Waveguides
Second Harmonic Generation in Ridge Waveguides
Ridge Waveguide Summary
Channel Waveguides
Channel Waveguide Modelling
Channel Waveguide Fabrication
Optical Characterisation of Channel Waveguides
Spatial Modes in Channel Waveguides
Transmission Losses in Channel Waveguides
Phase Matching in Channel Waveguides
Second Harmonic Generation in Channel Waveguides
Parametric Down Conversion in Channel Waveguides
Channel Waveguide Summary
Application Discussion
9 Summary and Outlook
Summary
Outlook
10 Acknowledgements
A Appendix
Patents
Publications
Conference Contributions
B References
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