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Physics and Technology of Photonic Nanostructures

CEPHONA

institution: Institute of Electron Technology Department of Physics and Technology of Low Dimensional Structures Department of Semiconductor Materials and Structures Research Department of Semiconductors Processing for Photonics Department of Photodetectors type: research contact persons: Prof. Maciej Bugajski, Ph.D. address: 32/46 Lotników Al., 02-668 Warszawa, Poland tel./fax no: (48-22) 548-79-32 / 847-06-31 e-mail: bugajski@ite.waw.pl discipline: photonics, semiconductor physics, microelectronics keywords: photonics, nanostructures, characterization

Logo of the Center. Laboratory of optical spectroscopy. MBE reactor (Riber 32P).

Research focus of the Centre:
The main research focus of the Center concentrates on the subject of Physics and Technology of Photonic Nanostructures. The Center will conduct research in the three main fields:

1. Microcavity physics, technology and applications;
2. High power semiconductor lasers;
3. Development of new technologies for photonic devices and systems and increase of the level of applied research.

Department of Physics and Technology of Low Dimensional Structures together with the Department of Semiconductors Processing for Photonic and the Department of Semiconductor Materials and Structures Research combine necessary resources for successful development of photonic devices and technologies. They employ highly qualified research staff and PhD students, and have at their disposal state-of-the-art. equipment which allows for carrying out competitive research in the field. The Department of Photodetectors adds to the strength of basic research the expertise in commercializing optoelectronic devices.

Polish research projects currently run in the Centre:
There are a number of scientific projects supported by State Committee for Scientific Research. The research team of the Center is currently involved in the following projects:

1. Electron Microscopy studies of Lattice Defects and Geometry of Active Regions of VCSEL.
2. In(GaAl)As Detectors of Infrared Radiation Integrated with Refractive Micro-optics.
3. Manufacturing of Thermally Stable Ohmic Contacts to High Power/High Temperature Semiconductor Devices.
4. InGaAlAs/GaAs High-Power Lasers and Laser Bars for the 780-810 nm Range.

European research projects currently run in the Centre:

1. Studies of Temperature Distributions in Reflectors and Degradation Mechanisms in Semiconductor Lasers.
2. Wide Aperture Coherent Laser Diodes for Erbium Doped Fibre Amplifiers.
3. Gallium Arsenide Second-Window Quantum Dot Lasers.
4. Amber/Green Emitters targeting High Temperature Applications.

Quality:
Superior qualifications of scientific staff, motivation, international contacts, wide scope of basic and market oriented applied research together with unique facilities and equipment resulted with many prestigious achievements The most important results within last few years are as follow:

IET was qualified to the best 1-st category according to the parametric evaluation of research units conducted by State Committee for Scientific Research.

IET has been awarded the Crystal Brussel prize in 2001, as the best Polish industrial institute participating in 5-th Framework Program of EC.

ITE has been awarded many nation-wide prizes and favours for research and commercial achievements. The most important include:

1. Economic award of President of the Republic of Poland for the best invention in the field of new product or technology for the development of silicon avalanche photodiodes - 1998;
2. Medal at international fair INTERTECHNOLOGY'99, Łódź 1999, for the silicon photodetectors;
3. Award of Master of Technology of Warsaw 2001 with 1-st category award of High Technical Association for Multifunctional System for Photoelectric Investigation.

The research teams of the Center publish over 70 original papers every year in refereed journals. More than 50 posters or communications is presented on international conferences.

Equipment:
The main equipment and characterization techniques include: MBE reactor (Riber 32P), low temperature photoluminescence (PL), high resolution PL mapping, photoexcitation spectroscopy, modulation spectroscopies (photoreflectance, thermoreflectanc), Hall, DLTS, C-V spectroscopy; transmission electron microscope JEM 200CX and scanning electron microscope XL-30 equipped with CL detector, BSE detectors and EDX spectrometer, specimen current detector (EBIC); Leybold L-560 Universal Coating System including 4-crucible e-gun and RF sputtering station, three Leybold sputtering systems (Z-400, L400, Z550S), Balzers UTS 350 UHV evaporation system; Oxford Instruments DP 100 PECVD deposition module, Karl Suss MJB-21 double side and MJB-3 DUV mask aligners, Raith Elphy Plus e-beam lithography system, Secon MK-4 RIE system, wet chemical stations; AST SHS 100 RTP system, WASE ellipsometry, Tencor Alpha-step stylus profiler and Tencor FLX-2320 thin film stress measurements system.

Human resources:
The permanent research staff of the Center consists of 43 scientists including 5 professors and 13 senior researchers with Ph.D., and 25 researchers with M.Sc. degree.

Training possibility:
The Center will organize workshops, schools and training seminars. Workshops and schools will be targeted mainly on educating Ph. D. students and young researchers, whereas training seminars will be organized using our own specialists and will be aimed on transferring this knowledge to people working in purely applied research institutions and engineers.

Scientific co-operation:
Research team of the Centre is very active in international collaboration. The investigations are carried our in co-operation with:

Katholieke Universiteit Nijmegen, Nijmegen, Netherlands;

Université de Montpellier II, Montpellier, France;

Ohio University, College of Engineering and Technology, Athens, USA;

Linköping University, Linköping, Sweden;

The University of New Mexico, Center for High Technology Materials, Albuquerque, New Mexico, USA;

Max-Planck Institute fur Metallforschung, Stuttgart, Germany;

Massachusetts Institute of Technology, Boston, USA;

Toyama University, Toyama, Japan;

Kyoto Institute of Technology, Kyoto, Japan;

IMEC, Leuven, Belgium;

University of Athens, Greece.

The Centre also co-operates closely with other Polish and foreign research institutions.

Co-operation with industrial partners:
The Center co-operates with the following commercial partners:

Polish Optical Factory (PZO) SA - Poland,

VIGO System's - Poland,

OSRAM GmbH - Germany,

Nortel Networks - United Kingdom,

Infineon Technologies AG - Germany,

Acreo AB, Kista, Stockholm, Sweden.

Other info:
For more information, please visit page http://www.ite.waw.pl

Materials prepared by NCP-Poland

last modified:bugajski@ite.waw.pl--

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