Module overview
Linked modules
ELEC2212 or ELEC2219 or ELEC2228
Aims and Objectives
Learning Outcomes
Transferable and Generic Skills
Having successfully completed this module you will be able to:
- Design optical modulators in silicon technology using state of the art modelling tools
- Use theoretical techniques for the solution of photonic problems
- Understand techniques for the fabrication and characterisation of active photonic devices
- Complete a formal report on photonic component design
Knowledge and Understanding
Having successfully completed this module, you will be able to demonstrate knowledge and understanding of:
- Basic concepts governing lasers and optical amplification
- Operation of active photonic devices (modulators and detectors)
- Use of photonics in communications applications
Subject Specific Practical Skills
Having successfully completed this module you will be able to:
- Apply appropriate mathematical and software techniques to solve photonic problems
- Apply appropriate laboratory techniques to characterise active photonic device
- Use knowledge of physics to understand the behaviour of active photonic devices
- Understand the operation of active photonic devices
Subject Specific Intellectual and Research Skills
Having successfully completed this module you will be able to:
- Approach research into photonic devices
- Develop analytical approaches to understanding photonic devices
- Understand the operation of several photonic devices, physically and theoretically
Syllabus
Optical modulators
- Modulation effects
- Modulators
- Design of an optical modulator in Si
- Fabrication of an optical modulator
- Design of a modulator driver circuit
Optical detectors
- Photodiodes
- Receiver circuits
- Responsivity, bandwidth, noise
Laser and amplifier fundamentals
- Absorption and emission of radiation
- Einstein relations
- Population inversion and threshold conditions
- Gain saturation
- Lineshape function and line broadening mechanisms
- Laser modes and pulsed lasers.
Semiconductor sources
- DH, DFB, DBR
- Single frequency operation
- Intensity and phase noise
Optical amplifiers
- Properties - bandwidth, gain, polarisation effects
- Semiconductor amplifiers
- Rare-earth doped fibre amplifiers
- Noise contributions
Optical communications
- Fundamentals
- Challenges
Learning and Teaching
Teaching and learning methods
Teaching will consist of lectures, laboratory, tutorial, and feedback sessions. The lecturers will use electronic voting systems for in-class testing and peer instruction learning. Students will learn basics of photonic modelling software packages and will characterise photonics devices in a photonic laboratory.
Type | Hours |
---|---|
Completion of assessment task | 14 |
Specialist Laboratory | 6 |
Preparation for scheduled sessions | 14 |
Wider reading or practice | 36 |
Revision | 36 |
Lecture | 30 |
Follow-up work | 14 |
Total study time | 150 |
Resources & Reading list
Textbooks
Gines Lifante (2003). Integrated Photonics: Fundamentals.. Wiley.
John Wilson and John Hawkes (1998). Opto-electronics: An introduction. Prentice-Hall.
L. Chrostowski (2015). Silicon Photonics Design: From Devices to Systems. Cambridge University Press.
Bahaa E. A. Saleh and Malvin Carl Teich (2019). Fundamentals of Photonics. Wiley.
John M Senior (1992). Optical Fibre Communications: Principles and Practice. Prentice-Hall.
Assessment
Assessment strategy
Coursework is about the design of a carrier-based optical modulator in silicon. The technical labs consider characterisation of thermo-optic silicon modulators. The tutorial sessions will be used for in-class tests, feedback sessions and additional tutorials.
Summative
This is how we’ll formally assess what you have learned in this module.
Method | Percentage contribution |
---|---|
Coursework | 15% |
Technical Laboratories | 10% |
Final Assessment | 75% |
Referral
This is how we’ll assess you if you don’t meet the criteria to pass this module.
Method | Percentage contribution |
---|---|
Set Task | 100% |
Repeat
An internal repeat is where you take all of your modules again, including any you passed. An external repeat is where you only re-take the modules you failed.
Method | Percentage contribution |
---|---|
Set Task | 100% |
Repeat Information
Repeat type: Internal & External