Laser Optics Berlin

Ahmad Ibrahim Bawamia was born in Port-Louis, Mauritius, in 1979. He received the Masters degree in optoelectronic engineering from the Ecole Nationale Supérieure des Sciences Appliquées et de Technologie, Lannion, France, in 2004 and the Ph.D from the Technische Universität Berlin in 2011. He is since 2005 at the Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik, Berlin, Germany. From 2005 to 2010 his work revolved around the improvement of the beam quality of broad area diode lasers. His current work focuses on the micro-integration of semiconductor laser systems.

Gunnar Blume was born in Brandenburg, Germany, in 1977. He received the Diploma degree in physics engineering from the University of Applied Sciences of Brandenburg, Germany, in 2002 and the Ph.D. degree from the University of Surrey, United Kingdom, in 2007. His is currently with the Ferdinand–Braun–Institut, Leibniz Institut für Höchstfrequenztechnik (FBH) in Berlin, Germany, where his research activities focus on high power, high radiance red-emitting semiconductor lasers.

Dr. Sven EINFELDT studied Physics at the Universities in Rostock and Jena specializing in nonlinear optics and laser physics. He received his Diploma in 1990 at University of Jena and his doctor's degree (PhD) in 1995 at the University of Wuerzburg (Germany) for his work on the epitaxy of II-VI compounds and his contributions to the fabrication of blue-green emitting laser-diodes. Until 2004 he worked as a post-doc at the University of Bremen (Germany) and at North Carolina State University (U.S.A.) focussing on the epitaxial growth and characteriza-tion of III-nitrides and the fabrication of corresponding laser-diodes. He received the postdoctoral lecture qualification (Habilitation) in 2002. In 2004 he joined the Ferdinand Braun Institute in Berlin (Germany) where he became the head of the processing technology of infrared laser diodes. Currently, he is working on the development of short-wavelength laser-diodes and deep ultraviolet light emitting diodes based on III-nitrides.

Institute for Machine Tools and Factory Management, Technische Universität Berlin

Institute for Machine Tools and Factory Management, Technische Universität Berlin

Fraunhofer-Institut für Zuverlässigkeit und Mikrointegration IZM

Özkan Karpuzi was born in Berlin, Germany, in 1977. He received the Diploma degree in electrical engineering in 2007.

He joined Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, Berlin, Germany, in 2004, where he has been working in the department of Integration Technologies on devices based on InP. Currently he is a Prototype Packaging Technique Coordinator in the Department of Photonic Components.

Andreas Klehr was born in Berlin, Germany, in 1952. He received the diploma in Physics in 1976 from the Humboldt-University Berlin. From 1979 to 1991 he worked at the Academy of Sciences of the GDR at the Central Institute of Optics and Spectroscopy in the field of semiconductor laser development. From 1991 to 1996 he worked at the Max-Born-Institute, Berlin. In 1995 he received the Ph.D for his work on polarization switching and bistability of 1.3µm InGaAsP/InP RW laser diodes. Since 1996 he works at the Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik in Berlin, Germany on high power diode lasers.

Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik in Berlin

Joerg-R. Kropp received the doctor of science in1985 in the field of atomic physics with optical interference and laser spectroscopy. He gained over 25 years of industrial experience in optical communications through various management positions with Siemens and Infineon, as well as director and owner of the InBeCon GmbH, an independent industry consultancy in the field of micro-systems technology. He was engaged in the basic design of various opto-electronic components as well as the development of the manufacturing processes for mass production. Further he was deeply involved in IP-analysis and patent management of large patent portfolios for optical communication applications and is inventor of more than 40 patent families, with patents in various countries.

Institute for Machine Tools and Factory Management, Technische Universität Berlin

Mr. René Landgraf received his Dipl.-Ing. degree in Electrical Engineering from Technische Universität (TU) Dresden, Germany, in 2007. He was granted a PhD scholarship within the international Research Training Group “Nano- and Biotechnologies for the Packaging of Electronic Systems”, coordinated by the German Research Foundation (DFG). His main focus is the use of microring resonators as optical biosensors. Mr. Landgraf is currently working as a research scientist at the Fraunhofer Institute for Photonic Microsystems (IPMS). He has held several presentations about his work on international conferences and authored or co-authored several publications. For his presentation of “Fabrication and Functionalization of Polymer Microring Resonators for Photonic Biosensing”, he received the Best Poster Award at the 6th German Biosensor Symposium (2008). Mr. Landgraf is member of VDE (German Association for Electrical, Electronic and Information Technologies) and IEEE (Institute of Electrical and Electronics Engineers).

Ralph Schachler, born 1982-04-06 in Waren / Müritz (Germany); studied Micro Systems Technology at the University of Applied Science HTW in Berlin being working student e.g. at the European Research Center of Samsung SDI in Berlin; since 2006 manager of development projects and process owner at AEMtec GmbH with a focus on flip chip applications and packaging of bare dies.

- Dipl.-Ing. degree in Electrical Engineering specialised on Precision- and Micro-Engineering from Dresden University of Technology (TU Dresden), Germany, in 2006.

- Development of driver assistance systems at automotive supplier Hella KGaA during period of study

- PhD scholarship within the international Research Training Group “Nano- and Biotechnologies for the Packaging of Electronic Systems”, coordinated by the German Research Foundation (DFG)

- Dissertation on “Encapsulation Technology with Aligned Adhesive Wafer Bonding for OLED-on-CMOS Applications” submitted in 2011

- Actual work as scientist at Fraunhofer Institute for Photonic Microsystems (IPMS), Branch Center for Organic Materials and Electronic Devices Dresden (COMEDD)

- Member of “Microelectronics, Microsystems and Precision Engineering” (GMM) as technical society of “Association for Electrical, Electronic and Information Technologies” (VDE)

Tolga Tekin received the Ph.D. degree in electrical engineering and computer science from the Technical University of Berlin, Berlin, Germany, in 2004. He was a Research Scientist with the Optical Signal Processing Department, Fraunhofer-Institute for Telecommunications Heinrich-Hertz-Institut (HHI), where he was engaged in advanced research on optical signal processing, 3R-regeneration, all-optical switching, clock recovery, and integrated optics. He was a Postdoctoral Researcher on components for O-CDMA and terabit routers with the University of California. He worked at Teles AG on phased-array antennas and their components for skyDSL. At the Fraunhofer Institute for Reliability and Microintegration (IZM), he then led projects on optical interconnects and silicon photonics packaging. He is currently with the Research Center of Microperipheric Technologies, Technical University of Berlin, where he is engaged in microsystems, photonic-integrated system-in-package, photonic interconnects, and 3-D heterogeneous integration research activities. He is group manager of Photonics and Plasmonics Systems at Fraunhofer IZM.

Photo: Copyright FBH/M. Schönenberger

Dr. Ziyang Zhang was born in China, in 1980. He received his Bachelor degree in Zhejiang University, China, in 2003. Early 2008, he received his PhD at Royal Institute of Technology (KTH) in Stockholm, Sweden, on the field of silicon-based photonic devices: design, fabrication and characterization. In summer 2008 he joined HHI as a postdoc to continue research on polymer-based photonic devices and hybrid integration technology with III-V active components. He has authored and co-authored more than 50 research publications in renowned journals as well as international conference contributions. He is currently representing HHI as the project leader for the European research project: POLYSYS (STREP 258846), in which direct 100Gb/s connectivity on polymer-InP integration platform is being developed for data center systems.