This lecture focuses on photonic devices, mainly such as lasers and LEDs, which are useful for understanding various photonic application systems.
The aim of this lecture is to learn the principles, characteristics and features of semiconductor light-emitting devices, and related photonic functional devices such as light receiving devices and optical modulators. Focusing on light-emitting devices, the following are studied in detail: Types of device, pronciples of light emission, light propagation in the light-emitting device, lasing conditions, static characteristics such as light output, temperature characteristics, and efficiency, dynamic characteristics such as signal modulation, and materials and fabrication-processes of photonic devices, as well as the leading edge trends of related photonic devices and applications.
In this lecture, students learn more detail and practical knowledge of photonic device technologies, such as Optical and Electromagnetic Properties in Semiconductors, and Optoelectronics, which are covered in the undergraduate program.
At the end of this course, students will be able to:
1) Explain the operation principle of photonic devices.
2) Explain the static and dynamic characteristics of photonic devices.
3) Basic design of photonic devices.
4) Explain the characteristics of materials and the fabrication technologies of the photonic devices.
5) Explain the features and applications of advanced photonic devices.
✔ Applicable | How instructors' work experience benefits the course |
---|---|
As a researcher, lecturer has experiences of design, fabrication, characterization, and creation of new application of semiconductor photonic devices. |
photonics, optoelectronics, photonic device, light emitting device, semiconductor laser, LED
✔ Specialist skills | Intercultural skills | Communication skills | ✔ Critical thinking skills | ✔ Practical and/or problem-solving skills |
✔ Students acquire the professional and deployment skills that enable to research and develop photonic devices and applied systems using photonic devices. |
Students must familiarize themselves with topics described in the required learning section before coming to class.
Students are given exercise problems related to what is taught on that day.
Course schedule | Required learning | |
---|---|---|
Class 1 | Introduction to optoelectronics/photonics | Understand the wavelength range, frequency range, and amount of energy of light and photon. List up of use cases of photonics (optoelectronics) applications. |
Class 2 | Basics of light propagation and waveguides | Understand the basic principle and mathematical analysis procedure of the light propagation, reflection, refraction, and waveguide. |
Class 3 | Loss, beam output, focusing, and coupling of light | Understand the Huygens principle and the Gaussian function. |
Class 4 | Various types of light emitting devices | List up of various light emitting devices, and understand the difference of operation characteristics and applications. |
Class 5 | Basic characteristics of the semiconductor light emitting devices | Investigation of the device size, threshold current, operation current, and output power. |
Class 6 | Efficiency and temperature characteristics of semiconductor light emitting devices | Investigation of the available temperature range of the light emitting device, and its restriction reasons. |
Class 7 | Light emission principles of semiconductor light emitting devices | Understand the basics of electromagnetic radiation based on the dipole, and the state of electron in the crystal. |
Class 8 | Exercise problems to assess the students’ level of understanding on what has been taught so far. | Test level of understanding and self-evaluate achievement for classes 1–7. |
Class 9 | Semiconductor materials and fabrication technologies for light emitting devices | List up of the kind of semiconductors and the semiconductor used in the photonic device. |
Class 10 | Dynamic characteristics of semiconductor light emitting devices | Understand the characteristics of carrier recombination and carrier lifetime. |
Class 11 | Vertical cavity surface emitting lasers and micro-lasers | Investigation of the impact of the device size miniaturization of the laser. Investigation of the reflector and its reflectivity. |
Class 12 | Single-mode lasers and noise in laser | Investigation of mechanism of wavelength dependence of the optical gain and cavity loss. |
Class 13 | Photonic functional devices | Investigation of dynamic functions required in photonic devices. |
Class 14 | Leading edge trends in photonic devices and applied systems | Investigation of the novel photonic applications and features of photonic devices. |
To enhance effective learning, students are encouraged to spend approximately 100 minutes preparing for class and another 100 minutes reviewing class content afterwards (including assignments) for each class.
They should do so by referring to textbooks and other course material.
None required.
Lecture using materials that faculty has created.
All materials used in class can be found on OCW-i.
[Japanese] Y. Suematsu and K. Iga, Introduction to Optical fiber communication, ISBN:978-4274220944, Ohmsha, 2017.
Students will be assessed on their level of understanding of principles and characteristics the photonic devices.
Students’ course scores are based on evaluation of understanding level for classes 1–7 and final exams (70%), and exercise problems for each classes (30%).
Students must have successfully completed Quantum Mechanics (EEE D201), Semiconductor Physics (EEE D211), and Electromagnetism (EEE E201, EEE E202, EEE E211) or have equivalent knowledge.
Students have been desired to have the following knowledge and skills: Optical and Electromagnetic Property in Semiconductors (EEE D331), Photonic Devices (EEE D361), Opto-electronics (EEE S361)
Tomoyuki Miyamoto, tmiyamot[at]pi.titech.ac.jp, 045-924-5059
Contact by e-mail in advance to schedule an appointment.