Research Laboratory of Electronics, Massachusetts Institute of Technology RLE at MIT
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Issue Topics

2003 May Issue 3

RLE Pursues the Optical Clock
Erich P. Ippen at the New Limits of Precision

Multidisciplinary Initiative
the DoD MURI program and RLE

Rising Stars
Oxenham and Sugiyama

Students at the Forefront
The Helen Carr Peake Research Prize

Computational Prototyping
an interview with Jacob K. White

Introducing a New Professor
Luca Daniel joins RLE

Download PDF of Issue 3


An Interview with Leslie A. Kolodziejski
integrated photonic devices and materials
2003 February Issue 2

MIT/Veeco MBE system Material source ports
MIT/Veeco MBE system Material source ports
MBE reactors Cluster chamber robot
MBE reactors Cluster chamber robot

Above: The Kolodziejski group’s new state-of-the-art dual-reactor molecular beam epitaxy (MBE) system, developed collaboratively with Veeco Instruments and currently being assembled at Veeco/Applied Epi in Minnesota, and funded by the generous sponsorship of the Walsin Lihwa Corporation.

RLE: How does an electrical engineer find herself conducting research in fundamental areas of materials science?
KOLODZIEJSKI: As a junior in my undergraduate program in college, it became very important to me to choose a career with a stable, solid income. It was equally important to me to be an independent, self-sufficient woman. In my pragmatic young mind, a multidisciplinary career working Without electronic materials, there would be no integrated circuits, there would be no computers, and there would be no electronic systems. - Kolodziejskiwith materials—electronic materials in particular—guaranteed that my electrical engineering expertise and knowledge would always be in demand.

RLE: What do you mean by the phrase “integrated photonic devices and materials?”
KOLODZIEJSKI: I view integrated photonic devices and materials as photonic devices that are connected together, for example on the same substrate, and are able to communicate with one another primarily with photons. Photonic materials work with other photonic devices to create a more complex photonic system.

RLE: What are the principal research efforts of your group today?
KOLODZIEJSKI: Our group focuses on three major areas: fundamental materials research and feedback-controlled epitaxy; optoelectronic device research including photonic bandgap crystal-based devices such as light emitting diodes, superprisms, optical switches, waveguides, couplers, and cavities; and high efficiency and ultralow threshold lasers.

RLE: What future trajectory is your research taking?
KOLODZIEJSKI: The future of our group involves connecting these various individual devices and components together to create a new generation of photonic integrated circuits.These new circuits will utilize photons to transmit the information rather than charged particles, as is used in conventional electronic integrated circuits of today.

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Professor Leslie A. Kolodziejski
Leslie A. Kolodziejski, Professor of Electrical Engineering and Computer Science, leads RLE’s Integrated Photonic Materials and Devices Group. She received her PhD from Purdue University in 1986, and after being graduated, entered the Purdue faculty as Assistant Professor. In 1988, Kolodziejski joined MIT’s Department of Electrical Engineering and Computer Science as Assistant Professor. She has been a recipient of both the Office of Naval Research Young Investigator Award and the National Science Foundation Presidential Young Investigator Award. Kolodziejski held the Kar Van Tassel and the Esther and Harold E. Edgerton professorships before her promotion to full professor in 1999.
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