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George, Mathew: Ti:Tm:LiNbO 3 Waveguide amplifiers and lasers. 2012
Inhalt
Abstract
Contents
1 Introduction
1.1 Background
1.2 Motivation
1.3 Organisation of Thesis
2 Waveguide Fabrication and Characterization
2.1 Introduction
2.2 Fabrication of Ti:Tm:LiNbO3 waveguide
2.2.1 Tm Diffusion Doping
2.2.2 Fabrication of Ti Waveguide
2.3 Characterization of Ti:Tm:LiNbO3 waveguide
2.3.1 Waveguide Mode Intensity Distribution
2.3.2 Scattering Losses
2.3.3 Thulium Depth Profile
2.3.4 Absorption Spectra
2.3.5 Fluorescence Spectrum
2.3.6 Transition Cross Sections
2.4 Conclusions
3 Ti:Tm:LiNbO3 Waveguide Amplifier
3.1 Introduction
3.2 In-band Pumping Scheme
3.2.1 General Considerations
3.2.2 Choice of Pump Wavelength
3.3 Modeling
3.3.1 Gain Spectra
3.3.2 Power Characteristics
3.3.3 Double Pass Pumping
3.3.4 Further Comments
3.4 Experimental Investigations
3.4.1 Experimental Setup
3.4.2 Experimental Results
3.5 Discussion
3.5.1 Comparison of Experimental and Modeling Results
3.5.2 Amplifiers for Laser Applications
3.5.3 Conclusions
4 Ti:Tm:LiNbO3 Waveguide Laser
4.1 Introduction
4.2 Laser Cavity
4.3 Experimental Setup
4.4 Power Characteristics
4.4.1 High-Q Operation at s = 1890 nm
4.4.2 Low-Q Operation at s = 1850 nm
4.4.3 Relaxation Oscillations
4.5 Spectral Properties
4.5.1 Emission at 1890 nm
4.5.2 Radio Frequency Spectrum of Laser Output
4.5.3 Emission at 1850 nm
4.6 Optimization
4.7 Conclusions
5 Conclusions And Outlook
5.1 Conclusions
5.2 Outlook
A Thulium Doped Waveguides for Quantum Memory Applications
A.1 Waveguide Fabrication
A.2 Waveguide Characterization
A.3 Quantum memory
B Optical Spectrum of Ti:Er:LiNbO3 Waveguide Laser
6 Acknowledgements
Bibliography
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