Contents

• Introduction
  • Rise of optical technology
  • Next generation Active Integrated optic Subsystems
  • Circular optical microresonators
  • Ring-resonator theory
    • ``Standard model'' for resonators: Monomode setting
    • Power transfer
    • Resonances
    • Resonance characteristics
    • Tuning
  • Existing approaches for modeling of circular microresonators
  • Scope of the thesis
  • Outline of the thesis
  • Publications
  
  
• Analytic approach to dielectric optical bent slab waveguides
  • Existing approaches for modeling of bent waveguides
  • Bent waveguide model
    • Bend mode normalization
    • Orthogonality of bend modes
  • Remarks on the numerical implementation
  • Simulation results
    • Propagation constants
    • Mode profiles
    • Comparison with FDTD results
    • Higher order bend modes
    • Whispering gallery modes
  • Effect of core refractive index perturbation
  • Concluding remarks
  
  
• Bent-Straight waveguide couplers
  • Coupled mode theory
  • Bent-straight waveguide couplers
    • Coupled mode equations
    • Transfer matrix and scattering matrix
    • Remarks on the projection operation
  • Reciprocity of scattering matrix
  • Simulation results
    • Coupler with monomodal bent waveguide
    • Coupler with multimodal bent waveguide
  • Concluding remarks
  
  
• Microresonators
  • Abstract microresonator model
  • Scattering matrix analysis of the full resonator
  • Spectrum evaluation
  • Simulation results
    • Microring resonator
    • Microdisk resonator
    • Compact high contrast cavities
  • Influence of separation distance on the spectral response
    • Changing both separation distances identically
    • Changing only one of the separation distances
    • Shifting the cavity between fixed bus waveguides
  • Tuning
  • Concluding remarks
  
  
• Conclusions and outlook
• Bibliography

[CO, CE]

[LE]

[RO]