Curriculum
6 Sections
51 Lessons
10 Weeks
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Chapter 1 Introduction to Direct-Detection Systems
9
1.1
1.1 What is Direct Detection?
1.2
1.2 Historical Context and Evolution
1.3
1.3 System Architecture and Components
1.4
1.4 Comparison with Coherent Systems
1.5
1.5 Key Applications and Market Drivers
1.6
1.6 Current Challenges and Opportunities
1.7
Knowledge Check Questions
1.8
Chapter Summary
1.9
References and Further Reading
Chapter 2 Conventional Direct-Detection Principles
8
2.1
2.1 Directly Modulated Lasers (DMLs)
2.2
2.2 External Modulators
2.3
2.3 Modulation Format Comparison
2.4
2.4 Receiver Architecture and Signal Processing
2.5
2.5 Performance Metrics and Optimization
2.6
Knowledge Check Questions
2.7
Chapter Summary
2.8
References and Further Reading
Chapter 3 System Limitations and Challenges
9
3.1
3.1 The Fundamental Challenge
3.2
3.2 Fiber Chromatic Dispersion Theory
3.3
3.3 Spectral Fading in Direct Detection
3.4
3.4 Distance-Bandwidth Trade-offs
3.5
3.5 Mitigation Strategies
3.6
3.6 Advanced Solutions Preview
3.7
Knowledge Check Questions
3.8
Chapter Summary
3.9
References and Further Reading
Chapter 4 Advanced Self-Coherent Systems
9
4.1
4.1 Introduction to Self-Coherent Detection
4.2
4.2 Field Detection Mathematics
4.3
4.3 Single-Sideband Signal Generation
4.4
4.4 Single-Signal Beating Interference (SSBI)
4.5
4.5 SSBI Mitigation Techniques
4.6
4.6 System Performance and Optimization
4.7
Knowledge Check Questions
4.8
Chapter Summary
4.9
References and Further Reading
Chapter 5 Kramers-Kronig Receivers
8
5.1
5.1 Introduction to Kramers-Kronig Receivers
5.2
5.2 Theoretical Foundations
5.3
5.3 Minimum-Phase Condition
5.4
5.4 KK Algorithm Implementation
5.5
5.5 Performance Analysis and Optimization
5.6
Knowledge Check Questions
5.7
Chapter Summary
5.8
References and Further Reading
Chapter 6 Future Directions and Applications
8
6.1
6.1 Stokes Vector Receivers and Polarization Multiplexing
6.2
6.2 Competitive Analysis: Direct Detection vs. Coherent Systems
6.3
6.3 Photonic Integration and System-on-Chip
6.4
6.4 Emerging Applications and Market Opportunities
6.5
6.5 Technology Roadmap and Research Directions
6.6
Knowledge Check Questions
6.7
Chapter Summary
6.8
References and Further Reading
High-capacity Direct-Detection Systems
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