Module: Photonic Devices

Module Specifications..

Current Academic Year 2023 - 2024

Please note that this information is subject to change.

Module Title	Photonic Devices
Module Code	EE506
School	School of Electronic Engineering
Module Co-ordinator	Semester 1: Pascal Landais Semester 2: Pascal Landais Autumn: Pascal Landais
Module Teachers	Pascal Landais
NFQ level	9	Credit Rating	7.5
Pre-requisite	None
Co-requisite	None
Compatibles	None
Incompatibles	None

Repeat examination
Array

Description

The use of semiconductor devices in optical communications and the recent development in semiconductor materials have brought up the need to understand the technology of these components. This module aims to equip students with a deep understanding of the science of these devices and their integration in optical communication networks.

Learning Outcomes

1. select semiconductor materials for light emission and detection applications based on an understanding of photoemission photoabsorption and band structure.
2. be capable of solving various problems related to light emitting and light detecting device designs.
3. mathematically analyse various types of semiconductor lasers and detectors.
4. identify key principles of optical communication devices.
5. identify and distinguish various optical data processing schemes.
6. identifiy growth and processing technologies for light emitter and detector fabrication
7. analyse the propagation of an electromagnetic wave in free space, at a media interfaces, and in various guides.

*Type*	*Hours*	*Description*
Workload	Full-time hours per semester
Lecture	36	No Description
Independent Study	151	No Description
Total Workload: 187

All module information is indicative and subject to change. For further information,students are advised to refer to the University's Marks and Standards and Programme Specific Regulations at: http://www.dcu.ie/registry/examinations/index.shtml

Indicative Content and Learning Activities

Duality of light
Description of light as an electromagnetic wave. Introduction from Maxwell's equation to Helmholtz's equation. Limitation of the electromagnetic approach, introduction of the quantum aspect of light. Definition of photon.

Interaction light matter
Derivation of Einstein's coefficent. Conditions for light emission or detection.Optical properties of semiconductors materials, definition of band-gap direct or indirect and their use for light emission and detection.

Physics of semiconductor devices
Features of various types of light-emitting diode, lasers and semiconductor amplifiers. Overview of LED/LASER manufacturing. Physics of double hetero-junction lasers: their simulation based on rate-equation in time and frequency domains, noise origin and simulation. Physics of light detectors, photodiode and avalanche photodiode, sensitivity, response time, wavelength selection using optical filters, bandwidth and insertion loss of optical filters.

Use of semiconductor lasers for telecommunications
Short pulse generation by Q-switching and passive or active mode-locking schemes. Physics of external modulators. All optical function generated by semiconductor lasers, wavelength cobnversion, and clock recovery for instance. Applications of semiconductor devices in OTDM or WDM.

Semiconductor material
Overview of active materials bulk, quantum well, wire dot and quatum dot. description of photonics band-gap materials

Assessment Breakdown
Continuous Assessment	25%	Examination Weight	75%

Type	Description	% of total	Assessment Date
Course Work Breakdown
Performance evaluation	Series of questions to be solved	25%

Reassessment Requirement Type
Resit arrangements are explained by the following categories; 1 = A resit is available for all components of the module 2 = No resit is available for 100% continuous assessment module 3 = No resit is available for the continuous assessment component
This module is category 3

Indicative Reading List

G.P. Agrawal and N.K. Dutta: 0, Long wavelength semiconductor laser, van Nostrand,
J. Wilson and J. Hawkes: 0, Optoelectronics an introduction, Prentice Hall,
Midwinter, J.E: 0, Opto Electronics and Lightwave Technology, Wiley,
Saleh, B.E. & Teich, M.: 0, Fundamentals of Photonics, Wiley,

Other Resources

None

Programme or List of Programmes

ECEIM	Masters of Eng in Elec & Comp Eng
ECSAO	Study Abroad (Engineering & Computing)
EEPD	PhD
EEPM	MEng
EEPT	PhD-track
GCECE	Grad Cert. in Electronic & Computer Eng
GTEC	Graduate Training Visitor Program (E&C)
MCMEC	Micro-Credential Modules Eng & Comp
MECE	MEng Electronic & Computer Engineering
MEQ	Masters Engineering Qualifier Course
SMPEC	Single Module Programme (Eng & Comp)

Date of Last Revision

25-JUL-08

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