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Practicum Optoelectronic II

A registration in HIS or OKA is mandatory and urgently required for the participation in one of our labs. The registration should be done right in the beginning of each semester!

Theory:
The fundamentals of semiconductor lasers and the optical properties of resonator structures.

Experiment:
Characterization of semiconductor lasers.

Goals

  • Understanding the characteristics of semiconductor lasers
  • Horizontal cavity DFB lasers
  • Electrical pumping
  • Optical output power
  • Optical modes in diode lasers
  • Wavelength shift due to temperature change and injection current variation

What you will gain from the practicum

  • You will learn the fundamentals of semiconductor lasers – how they work, what influences their characteristics and what makes a laser beam different from the beam of a flashlight. It gives quick understanding about laser-based novel applications such as optical communication.
  • Valuable documentation of the results.
  • Team-based working experience in a modern research environment.

General information

The student team is supervised by Mr. Iskhandar, who is responsible for the coordination of the practicum for all participating students. The working schedule for the experiment is flexible.

Experimental modules such as a laser diode, sample stage, an optical spectrum analyzer and PC are assembled to measure laser characteristics. The laser diode will be characterized as a function of injection current and temperature. The student team will measure the optical output power, optical modes in diode lasers and the wavelength shift due to temperature change of the laser diodes. The measured data will be analyzed and documented.

Course prerequisite

Those who have attended or are attending Optoelectronics I and Optoelectronics II lectures are invited to participate in the practicum. Physics and Nanostructure Science students are asked to contact the supervisor individually.

Literature

  • H. Hillmer , S. Hansmann, and T. Kusserow Semiconductor lasers. In: F. Träger (Hrsg.), Springer Handbook of Lasers and Optics,  Springer Verlag, pp. 695-726 (2007).
  • S. M. Sze, Physics of Semiconductor Devices, John Wiley & Sons, 2nd Edition (1981).
  • B. Mroziewicz, B. Mroziewicz, and W. Nakwaski, Physics of Semiconductor Lasers, North-Holland, Amsterdam (1991).
  • G. P. Agrawal and N. K. Dutta, Long Wavelength Semiconductor Lasers, Van Nostrand (1986).
  • L. A. Coldren and S. W. Corzine, Diode Lasers and Photonic Integrated Circuits, John Wiley, New York (1995).
  • T. Suhara, Semiconductor laser fundamentals, Marcel Dekker, Inc., New York (2004).

Curriculum

  • Elektrotechnik Diplom I und II, Abschluss 14, (14048), ECE-Studiengang, Abschluss 88, Mechatronik, Informatik (Bachelor und Master)
  • Wahlveranstaltung für das Nachrichtentechn. Praktikum I, II oder III

Kick-off meeting

Kick-off-meeting is going to be on 20.12.2017 at 6.30 pm.

 

Please come to INA Heinrich-Plett-Straße 40, 3rd floor, room 3107.

Registration for the practicum

Please note that a registration in HIS or OKA is mandatory and automatically a fixed registration for the participation in the practical training as well as a registration for the exam.

 

A detailed description how to register for the practical trainings can be found here (PDF).

 

Only the registration for ERASMUS students differs.

First you need to check in HIS for the exam number (Prüfungsnummer) which you can find, if you click on the corresponding practical training and scroll down to exams (Prüfungen) until you see it.

The exam number for the practical training Optoelectronics II is "119018 ".

Then go to the registration portal and register for ERASMUS. Click on your functions and then on registration for exams.

Here you will not find the names of the practical trainings (lectures or seminars) but the exam numbers. In this case, please register for number 119018 .

In case you need further or more detailed information, please get in touch with the examination office and contact Ms. Wahdat there.

 

Please register until 12.12.2017.

 

· ECE-students enrolled from 2017 onwards need to register for exams via the HIS system

  (Login by HIS > My Functions  > Administration of exams)

· ECE-students enrolled in summer term 2017 and before need to register for exams via so-called “OKA

  (Online Klausuranmeldung - Online Registration to Exams portal)

 

This semester registration is possible starting from 1st of October, 2017.

 

In case you have registered in moodle, you should note that this plattform is only to be used for information and organisation processes. The mandatory registration to finally participate in the practical training needs to be done in HIS or OKA.


For questions please contact Mr. Iskhandar telephone 804 4240.

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