Optical Feedback Aspects of Hybrid Integrated Diode Laser Systems
eBook - PDF

Optical Feedback Aspects of Hybrid Integrated Diode Laser Systems

,
  1. 184 pages
  2. English
  3. PDF
  4. Available on iOS & Android
eBook - PDF

Optical Feedback Aspects of Hybrid Integrated Diode Laser Systems

,

About this book

In hybrid integrated diode laser systems diode lasers are combined with components such as optical amplifiers or nonlinear crystals to extend their range of capabilities. However, combining optical components leads to mutual influencing, as each component can be a source of optical feedback which has to be considered in detail. In this work, experimental and theoretical studies are carried out on periodically poled nonlinear crystals (PPNC), semiconductor optical amplifiers (SOA), and distributed Bragg-reflector ridge waveguide lasers (DBR-RWL).Periodic poling in PPNCs results in grating-like refractive index modulations that cause wavelength-dependent reflection characteristics with typical resonances. The optical feedback from PPNCs is directed to the pump laser source with reflectances from 10-4 to 10-2.In SOAs, the optical feedback depends on the operating point while spontaneous emission can be a significant source. With respect to the input power, the reflectance is between 10-3 and 10-1. While the reflectance can exceed unity if additional external optical feedback enters the SOA, the optical feedback from the SOA is still defined by the internal structure of the SOA and directed to the input laser source.The emission behavior of DBR-RWLs subject to strong optical feedback is characterized by thermal effects and spectral mode hops that go beyond usual optical feedback considerations. Even DBR-RWLs insensitive to coherence collapse can be affected for feedback reflectances higher than 10-3.The investigations in this thesis provide a deeper understanding of the optical feedback characteristics of components in hybrid diode laser systems. This results in starting points for further component improvements and new concepts for the realization of hybrid laser systems.

Frequently asked questions

Yes, you can cancel anytime from the Subscription tab in your account settings on the Perlego website. Your subscription will stay active until the end of your current billing period. Learn how to cancel your subscription.
No, books cannot be downloaded as external files, such as PDFs, for use outside of Perlego. However, you can download books within the Perlego app for offline reading on mobile or tablet. Learn more here.
Perlego offers two plans: Essential and Complete
  • Essential is ideal for learners and professionals who enjoy exploring a wide range of subjects. Access the Essential Library with 800,000+ trusted titles and best-sellers across business, personal growth, and the humanities. Includes unlimited reading time and Standard Read Aloud voice.
  • Complete: Perfect for advanced learners and researchers needing full, unrestricted access. Unlock 1.4M+ books across hundreds of subjects, including academic and specialized titles. The Complete Plan also includes advanced features like Premium Read Aloud and Research Assistant.
Both plans are available with monthly, semester, or annual billing cycles.
We are an online textbook subscription service, where you can get access to an entire online library for less than the price of a single book per month. With over 1 million books across 1000+ topics, we’ve got you covered! Learn more here.
Look out for the read-aloud symbol on your next book to see if you can listen to it. The read-aloud tool reads text aloud for you, highlighting the text as it is being read. You can pause it, speed it up and slow it down. Learn more here.
Yes! You can use the Perlego app on both iOS or Android devices to read anytime, anywhere — even offline. Perfect for commutes or when you’re on the go.
Please note we cannot support devices running on iOS 13 and Android 7 or earlier. Learn more about using the app.
Yes, you can access Optical Feedback Aspects of Hybrid Integrated Diode Laser Systems by in PDF and/or ePUB format. We have over one million books available in our catalogue for you to explore.

Information

Publisher
Cuvillier Verlag
Year
2024
eBook ISBN
9783689520403
Edition
0

Table of contents

  1. 1. Introduction
  2. 2. Hybrid Integrated Diode Laser Systems
  3. 2.1. High-Power Diode Laser Sources
  4. 2.2. Frequency Conversion using Periodically Poled Nonlinear Crystals
  5. 2.3. Occurrence of Optical Feedback
  6. Part I.Sources of Optical Feedback
  7. 3. Optical Feedback of Periodically Poled Nonlinear Crystals
  8. 3.1. Theoretical modeling
  9. 3.2. Investigated Periodically Poled Nonlinear Crystal Samples
  10. 3.3. Experimental Setup and Methods
  11. 3.4. Results
  12. 3.5. Summary
  13. 4. Optical Feedback of Semiconductor Optical Amplifiers
  14. 4.1. Theoretical Modeling
  15. 4.2. Investigated Semiconductor Optical Amplifier Samples
  16. 4.3. Experimental Setup and Methods
  17. 4.4. Results
  18. 4.5. Summary
  19. 5. Conclusions of Part I.
  20. Part II.Effects of Optical Feedback
  21. 6. Tapered Amplifiers with Optical Feedback
  22. 6.1. Theoretical Modeling
  23. 6.2. Investigated Tapered Amplifier Sample
  24. 6.3. Experimental Setup and Methods
  25. 6.4. Results
  26. 6.5. Summary
  27. 7. Distributed Bragg-Reflector Ridge Waveguide Lasers with Optical Feedback
  28. 7.1. Theoretical Modeling
  29. 7.2. Investigated Laser Samples
  30. 7.3. Experimental Setup and Methods
  31. 7.4. Results
  32. 7.5. Summary
  33. 8. Conclusions of Part II.
  34. 9. Final Conclusions and Outlook
  35. A. Additional Relations
  36. A.1. Reflectance of Weak Bragg-Gratings
  37. A.2. Statistical Description of Periodic Poling Errors
  38. A.3. Sellmeier Equation
  39. A.4. Thermal Expansion
  40. A.5. Guided Modes in Channel Waveguide Periodically Poled Nonlinear Crystals
  41. A.6. Computation Scheme of the Multiphysics Model
  42. A.7. Calculation of the Position of the Beam Waist
  43. B. Material and Simulation Parameters
  44. B.1. Parameters for Periodically Poled Nonlinear Crystals
  45. B.2. Parameters for Semiconductor Optical Amplifiers
  46. B.3. Parameters for Distributed Bragg-Reflector RidgeWaveguide Lasers
  47. C. Measurement Methods and Devices
  48. C.1. Laser Sources
  49. C.2. Optical Power Characterization
  50. Bibliography
  51. C.3. Emission Spectrum Characterization
  52. C.4. Spatial Beam Characterization
  53. Bibliography